Home / 288,326.60-432,488.88-77,964.52

Finding the Fourth Proportional to 288,326.60, 432,488.88 and 77,964.52

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Solution

The fourth proportional to 288,326.60, 432,488.88 and 77,964.52 is: 116,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,326.60 : 432,488.88 = 77,964.52 : x
  2. Step 2: Convert to fraction form
    288,326.60/432,488.88 = 77,964.52/x
  3. Step 3: Cross multiply
    288,326.60x = 432,488.88 × 77,964.52
  4. Step 4: Simplify right side
    288,326.60x = 33,718,787,934.54
  5. Step 5: Solve for x
    x = 33,718,787,934.54/288,326.60
  6. Step 6: Final answer
    x = 116,946.50

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1.5x scale

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.