Home / 389,611.40-584,417.10-152,832.20

Finding the Fourth Proportional to 389,611.40, 584,417.10 and 152,832.20

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Solution

The fourth proportional to 389,611.40, 584,417.10 and 152,832.20 is: 229,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,611.40 : 584,417.10 = 152,832.20 : x
  2. Step 2: Convert to fraction form
    389,611.40/584,417.10 = 152,832.20/x
  3. Step 3: Cross multiply
    389,611.40x = 584,417.10 × 152,832.20
  4. Step 4: Simplify right side
    389,611.40x = 89,317,751,110.62
  5. Step 5: Solve for x
    x = 89,317,751,110.62/389,611.40
  6. Step 6: Final answer
    x = 229,248.30

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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.