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Finding the Fourth Proportional to 292,522.10, 438,783.15 and 256,363.70

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Solution

The fourth proportional to 292,522.10, 438,783.15 and 256,363.70 is: 384,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,522.10 : 438,783.15 = 256,363.70 : x
  2. Step 2: Convert to fraction form
    292,522.10/438,783.15 = 256,363.70/x
  3. Step 3: Cross multiply
    292,522.10x = 438,783.15 × 256,363.70
  4. Step 4: Simplify right side
    292,522.10x = 112,488,071,831.66
  5. Step 5: Solve for x
    x = 112,488,071,831.66/292,522.10
  6. Step 6: Final answer
    x = 384,545.55

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1.5x scale

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.