Home / 382,173.02-573,341.08-129,444.66

Finding the Fourth Proportional to 382,173.02, 573,341.08 and 129,444.66

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Solution

The fourth proportional to 382,173.02, 573,341.08 and 129,444.66 is: 194,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,173.02 : 573,341.08 = 129,444.66 : x
  2. Step 2: Convert to fraction form
    382,173.02/573,341.08 = 129,444.66/x
  3. Step 3: Cross multiply
    382,173.02x = 573,341.08 × 129,444.66
  4. Step 4: Simplify right side
    382,173.02x = 74,215,941,164.63
  5. Step 5: Solve for x
    x = 74,215,941,164.63/382,173.02
  6. Step 6: Final answer
    x = 194,194.61

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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.