Home / 389,034.09-583,385.90-152,339.13

Finding the Fourth Proportional to 389,034.09, 583,385.90 and 152,339.13

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Solution

The fourth proportional to 389,034.09, 583,385.90 and 152,339.13 is: 228,443.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,034.09 : 583,385.90 = 152,339.13 : x
  2. Step 2: Convert to fraction form
    389,034.09/583,385.90 = 152,339.13/x
  3. Step 3: Cross multiply
    389,034.09x = 583,385.90 × 152,339.13
  4. Step 4: Simplify right side
    389,034.09x = 88,872,499,698.57
  5. Step 5: Solve for x
    x = 88,872,499,698.57/389,034.09
  6. Step 6: Final answer
    x = 228,443.99

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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.