Home / 354,237.51-531,472.92-143,818.95

Finding the Fourth Proportional to 354,237.51, 531,472.92 and 143,818.95

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Solution

The fourth proportional to 354,237.51, 531,472.92 and 143,818.95 is: 215,775.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,237.51 : 531,472.92 = 143,818.95 : x
  2. Step 2: Convert to fraction form
    354,237.51/531,472.92 = 143,818.95/x
  3. Step 3: Cross multiply
    354,237.51x = 531,472.92 × 143,818.95
  4. Step 4: Simplify right side
    354,237.51x = 76,435,877,307.83
  5. Step 5: Solve for x
    x = 76,435,877,307.83/354,237.51
  6. Step 6: Final answer
    x = 215,775.79

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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.