Home / 380,755.18-571,088.22-153,041.68

Finding the Fourth Proportional to 380,755.18, 571,088.22 and 153,041.68

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Solution

The fourth proportional to 380,755.18, 571,088.22 and 153,041.68 is: 229,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,755.18 : 571,088.22 = 153,041.68 : x
  2. Step 2: Convert to fraction form
    380,755.18/571,088.22 = 153,041.68/x
  3. Step 3: Cross multiply
    380,755.18x = 571,088.22 × 153,041.68
  4. Step 4: Simplify right side
    380,755.18x = 87,400,300,617.01
  5. Step 5: Solve for x
    x = 87,400,300,617.01/380,755.18
  6. Step 6: Final answer
    x = 229,544.61

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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.