Home / 369,968.30-554,952.45-133,318.70

Finding the Fourth Proportional to 369,968.30, 554,952.45 and 133,318.70

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Solution

The fourth proportional to 369,968.30, 554,952.45 and 133,318.70 is: 199,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,968.30 : 554,952.45 = 133,318.70 : x
  2. Step 2: Convert to fraction form
    369,968.30/554,952.45 = 133,318.70/x
  3. Step 3: Cross multiply
    369,968.30x = 554,952.45 × 133,318.70
  4. Step 4: Simplify right side
    369,968.30x = 73,985,539,195.82
  5. Step 5: Solve for x
    x = 73,985,539,195.82/369,968.30
  6. Step 6: Final answer
    x = 199,978.05

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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.