Home / 382,221.36-573,417.90-129,487.32

Finding the Fourth Proportional to 382,221.36, 573,417.90 and 129,487.32

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Solution

The fourth proportional to 382,221.36, 573,417.90 and 129,487.32 is: 194,260.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,221.36 : 573,417.90 = 129,487.32 : x
  2. Step 2: Convert to fraction form
    382,221.36/573,417.90 = 129,487.32/x
  3. Step 3: Cross multiply
    382,221.36x = 573,417.90 × 129,487.32
  4. Step 4: Simplify right side
    382,221.36x = 74,250,347,111.03
  5. Step 5: Solve for x
    x = 74,250,347,111.03/382,221.36
  6. Step 6: Final answer
    x = 194,260.07

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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.