Home / 284,207.05-392,204.82-156,881.71

Finding the Fourth Proportional to 284,207.05, 392,204.82 and 156,881.71

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Solution

The fourth proportional to 284,207.05, 392,204.82 and 156,881.71 is: 216,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,207.05 : 392,204.82 = 156,881.71 : x
  2. Step 2: Convert to fraction form
    284,207.05/392,204.82 = 156,881.71/x
  3. Step 3: Cross multiply
    284,207.05x = 392,204.82 × 156,881.71
  4. Step 4: Simplify right side
    284,207.05x = 61,529,762,831.84
  5. Step 5: Solve for x
    x = 61,529,762,831.84/284,207.05
  6. Step 6: Final answer
    x = 216,496.26

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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.