Home / 402,443.04-603,785.28-162,433.46

Finding the Fourth Proportional to 402,443.04, 603,785.28 and 162,433.46

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Solution

The fourth proportional to 402,443.04, 603,785.28 and 162,433.46 is: 243,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,443.04 : 603,785.28 = 162,433.46 : x
  2. Step 2: Convert to fraction form
    402,443.04/603,785.28 = 162,433.46/x
  3. Step 3: Cross multiply
    402,443.04x = 603,785.28 × 162,433.46
  4. Step 4: Simplify right side
    402,443.04x = 98,074,932,127.47
  5. Step 5: Solve for x
    x = 98,074,932,127.47/402,443.04
  6. Step 6: Final answer
    x = 243,698.91

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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.