Home / 380,764.67-571,142.90-156,075.02

Finding the Fourth Proportional to 380,764.67, 571,142.90 and 156,075.02

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Solution

The fourth proportional to 380,764.67, 571,142.90 and 156,075.02 is: 234,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,764.67 : 571,142.90 = 156,075.02 : x
  2. Step 2: Convert to fraction form
    380,764.67/571,142.90 = 156,075.02/x
  3. Step 3: Cross multiply
    380,764.67x = 571,142.90 × 156,075.02
  4. Step 4: Simplify right side
    380,764.67x = 89,141,139,540.36
  5. Step 5: Solve for x
    x = 89,141,139,540.36/380,764.67
  6. Step 6: Final answer
    x = 234,110.85

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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.