Home / 369,972.54-554,959.08-89,490.06

Finding the Fourth Proportional to 369,972.54, 554,959.08 and 89,490.06

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Solution

The fourth proportional to 369,972.54, 554,959.08 and 89,490.06 is: 134,235.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,972.54 : 554,959.08 = 89,490.06 : x
  2. Step 2: Convert to fraction form
    369,972.54/554,959.08 = 89,490.06/x
  3. Step 3: Cross multiply
    369,972.54x = 554,959.08 × 89,490.06
  4. Step 4: Simplify right side
    369,972.54x = 49,663,321,366.74
  5. Step 5: Solve for x
    x = 49,663,321,366.74/369,972.54
  6. Step 6: Final answer
    x = 134,235.16

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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.