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Finding the Fourth Proportional to 369,420.54, 554,130.90 and 88,937.82

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Solution

The fourth proportional to 369,420.54, 554,130.90 and 88,937.82 is: 133,406.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,420.54 : 554,130.90 = 88,937.82 : x
  2. Step 2: Convert to fraction form
    369,420.54/554,130.90 = 88,937.82/x
  3. Step 3: Cross multiply
    369,420.54x = 554,130.90 × 88,937.82
  4. Step 4: Simplify right side
    369,420.54x = 49,283,194,240.64
  5. Step 5: Solve for x
    x = 49,283,194,240.64/369,420.54
  6. Step 6: Final answer
    x = 133,406.75

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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.