Home / 219,699.10-329,548.65-140,902.30

Finding the Fourth Proportional to 219,699.10, 329,548.65 and 140,902.30

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Solution

The fourth proportional to 219,699.10, 329,548.65 and 140,902.30 is: 211,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,699.10 : 329,548.65 = 140,902.30 : x
  2. Step 2: Convert to fraction form
    219,699.10/329,548.65 = 140,902.30/x
  3. Step 3: Cross multiply
    219,699.10x = 329,548.65 × 140,902.30
  4. Step 4: Simplify right side
    219,699.10x = 46,434,162,746.90
  5. Step 5: Solve for x
    x = 46,434,162,746.90/219,699.10
  6. Step 6: Final answer
    x = 211,353.45

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1.5x scale

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.