Home / 380,520.06-570,666.18-238,581.03

Finding the Fourth Proportional to 380,520.06, 570,666.18 and 238,581.03

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Solution

The fourth proportional to 380,520.06, 570,666.18 and 238,581.03 is: 357,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,520.06 : 570,666.18 = 238,581.03 : x
  2. Step 2: Convert to fraction form
    380,520.06/570,666.18 = 238,581.03/x
  3. Step 3: Cross multiply
    380,520.06x = 570,666.18 × 238,581.03
  4. Step 4: Simplify right side
    380,520.06x = 136,150,125,010.57
  5. Step 5: Solve for x
    x = 136,150,125,010.57/380,520.06
  6. Step 6: Final answer
    x = 357,800.12

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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.