Home / 389,398.12-584,097.18-152,852.20

Finding the Fourth Proportional to 389,398.12, 584,097.18 and 152,852.20

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Solution

The fourth proportional to 389,398.12, 584,097.18 and 152,852.20 is: 229,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,398.12 : 584,097.18 = 152,852.20 : x
  2. Step 2: Convert to fraction form
    389,398.12/584,097.18 = 152,852.20/x
  3. Step 3: Cross multiply
    389,398.12x = 584,097.18 × 152,852.20
  4. Step 4: Simplify right side
    389,398.12x = 89,280,538,976.80
  5. Step 5: Solve for x
    x = 89,280,538,976.80/389,398.12
  6. Step 6: Final answer
    x = 229,278.30

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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.