Home / 380,901.10-571,538.87-153,187.63

Finding the Fourth Proportional to 380,901.10, 571,538.87 and 153,187.63

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Solution

The fourth proportional to 380,901.10, 571,538.87 and 153,187.63 is: 229,856.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,901.10 : 571,538.87 = 153,187.63 : x
  2. Step 2: Convert to fraction form
    380,901.10/571,538.87 = 153,187.63/x
  3. Step 3: Cross multiply
    380,901.10x = 571,538.87 × 153,187.63
  4. Step 4: Simplify right side
    380,901.10x = 87,552,683,167.30
  5. Step 5: Solve for x
    x = 87,552,683,167.30/380,901.10
  6. Step 6: Final answer
    x = 229,856.73

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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.