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Finding the Fourth Proportional to 359,079.06, 495,624.48 and 212,032.78

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Solution

The fourth proportional to 359,079.06, 495,624.48 and 212,032.78 is: 292,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,079.06 : 495,624.48 = 212,032.78 : x
  2. Step 2: Convert to fraction form
    359,079.06/495,624.48 = 212,032.78/x
  3. Step 3: Cross multiply
    359,079.06x = 495,624.48 × 212,032.78
  4. Step 4: Simplify right side
    359,079.06x = 105,088,636,330.45
  5. Step 5: Solve for x
    x = 105,088,636,330.45/359,079.06
  6. Step 6: Final answer
    x = 292,661.56

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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.