Home / 369,968.90-554,953.35-133,319.30

Finding the Fourth Proportional to 369,968.90, 554,953.35 and 133,319.30

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Solution

The fourth proportional to 369,968.90, 554,953.35 and 133,319.30 is: 199,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,968.90 : 554,953.35 = 133,319.30 : x
  2. Step 2: Convert to fraction form
    369,968.90/554,953.35 = 133,319.30/x
  3. Step 3: Cross multiply
    369,968.90x = 554,953.35 × 133,319.30
  4. Step 4: Simplify right side
    369,968.90x = 73,985,992,154.66
  5. Step 5: Solve for x
    x = 73,985,992,154.66/369,968.90
  6. Step 6: Final answer
    x = 199,978.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.