Home / 288,567.02-432,853.77-88,885.82

Finding the Fourth Proportional to 288,567.02, 432,853.77 and 88,885.82

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Solution

The fourth proportional to 288,567.02, 432,853.77 and 88,885.82 is: 133,329.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,567.02 : 432,853.77 = 88,885.82 : x
  2. Step 2: Convert to fraction form
    288,567.02/432,853.77 = 88,885.82/x
  3. Step 3: Cross multiply
    288,567.02x = 432,853.77 × 88,885.82
  4. Step 4: Simplify right side
    288,567.02x = 38,474,562,286.54
  5. Step 5: Solve for x
    x = 38,474,562,286.54/288,567.02
  6. Step 6: Final answer
    x = 133,329.73

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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.