Home / 353,011.20-529,779.30-142,650.96

Finding the Fourth Proportional to 353,011.20, 529,779.30 and 142,650.96

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Solution

The fourth proportional to 353,011.20, 529,779.30 and 142,650.96 is: 214,082.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,011.20 : 529,779.30 = 142,650.96 : x
  2. Step 2: Convert to fraction form
    353,011.20/529,779.30 = 142,650.96/x
  3. Step 3: Cross multiply
    353,011.20x = 529,779.30 × 142,650.96
  4. Step 4: Simplify right side
    353,011.20x = 75,573,525,733.13
  5. Step 5: Solve for x
    x = 75,573,525,733.13/353,011.20
  6. Step 6: Final answer
    x = 214,082.52

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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.