Home / 423,733.28-635,601.04-103,886.60

Finding the Fourth Proportional to 423,733.28, 635,601.04 and 103,886.60

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Solution

The fourth proportional to 423,733.28, 635,601.04 and 103,886.60 is: 155,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,733.28 : 635,601.04 = 103,886.60 : x
  2. Step 2: Convert to fraction form
    423,733.28/635,601.04 = 103,886.60/x
  3. Step 3: Cross multiply
    423,733.28x = 635,601.04 × 103,886.60
  4. Step 4: Simplify right side
    423,733.28x = 66,030,431,002.06
  5. Step 5: Solve for x
    x = 66,030,431,002.06/423,733.28
  6. Step 6: Final answer
    x = 155,830.17

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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.