Home / 351,011.20-526,516.80-292,691.20

Finding the Fourth Proportional to 351,011.20, 526,516.80 and 292,691.20

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Solution

The fourth proportional to 351,011.20, 526,516.80 and 292,691.20 is: 439,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,011.20 : 526,516.80 = 292,691.20 : x
  2. Step 2: Convert to fraction form
    351,011.20/526,516.80 = 292,691.20/x
  3. Step 3: Cross multiply
    351,011.20x = 526,516.80 × 292,691.20
  4. Step 4: Simplify right side
    351,011.20x = 154,106,834,012.16
  5. Step 5: Solve for x
    x = 154,106,834,012.16/351,011.20
  6. Step 6: Final answer
    x = 439,036.80

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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.