Home / 400,931.28-601,466.04-134,717.40

Finding the Fourth Proportional to 400,931.28, 601,466.04 and 134,717.40

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Solution

The fourth proportional to 400,931.28, 601,466.04 and 134,717.40 is: 202,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,931.28 : 601,466.04 = 134,717.40 : x
  2. Step 2: Convert to fraction form
    400,931.28/601,466.04 = 134,717.40/x
  3. Step 3: Cross multiply
    400,931.28x = 601,466.04 × 134,717.40
  4. Step 4: Simplify right side
    400,931.28x = 81,027,941,097.10
  5. Step 5: Solve for x
    x = 81,027,941,097.10/400,931.28
  6. Step 6: Final answer
    x = 202,099.33

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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.