Home / 288,521.02-432,784.77-88,839.82

Finding the Fourth Proportional to 288,521.02, 432,784.77 and 88,839.82

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Solution

The fourth proportional to 288,521.02, 432,784.77 and 88,839.82 is: 133,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,521.02 : 432,784.77 = 88,839.82 : x
  2. Step 2: Convert to fraction form
    288,521.02/432,784.77 = 88,839.82/x
  3. Step 3: Cross multiply
    288,521.02x = 432,784.77 × 88,839.82
  4. Step 4: Simplify right side
    288,521.02x = 38,448,521,065.54
  5. Step 5: Solve for x
    x = 38,448,521,065.54/288,521.02
  6. Step 6: Final answer
    x = 133,260.73

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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.