Home / 369,928.08-510,502.50-208,789.92

Finding the Fourth Proportional to 369,928.08, 510,502.50 and 208,789.92

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Solution

The fourth proportional to 369,928.08, 510,502.50 and 208,789.92 is: 288,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,928.08 : 510,502.50 = 208,789.92 : x
  2. Step 2: Convert to fraction form
    369,928.08/510,502.50 = 208,789.92/x
  3. Step 3: Cross multiply
    369,928.08x = 510,502.50 × 208,789.92
  4. Step 4: Simplify right side
    369,928.08x = 106,587,776,134.80
  5. Step 5: Solve for x
    x = 106,587,776,134.80/369,928.08
  6. Step 6: Final answer
    x = 288,131.08

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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.