Home / 409,290.46-564,838.25-228,002.17

Finding the Fourth Proportional to 409,290.46, 564,838.25 and 228,002.17

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Solution

The fourth proportional to 409,290.46, 564,838.25 and 228,002.17 is: 314,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,290.46 : 564,838.25 = 228,002.17 : x
  2. Step 2: Convert to fraction form
    409,290.46/564,838.25 = 228,002.17/x
  3. Step 3: Cross multiply
    409,290.46x = 564,838.25 × 228,002.17
  4. Step 4: Simplify right side
    409,290.46x = 128,784,346,699.00
  5. Step 5: Solve for x
    x = 128,784,346,699.00/409,290.46
  6. Step 6: Final answer
    x = 314,652.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.