Home / 219,359.10-329,038.65-148,500.30

Finding the Fourth Proportional to 219,359.10, 329,038.65 and 148,500.30

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Solution

The fourth proportional to 219,359.10, 329,038.65 and 148,500.30 is: 222,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,359.10 : 329,038.65 = 148,500.30 : x
  2. Step 2: Convert to fraction form
    219,359.10/329,038.65 = 148,500.30/x
  3. Step 3: Cross multiply
    219,359.10x = 329,038.65 × 148,500.30
  4. Step 4: Simplify right side
    219,359.10x = 48,862,338,236.60
  5. Step 5: Solve for x
    x = 48,862,338,236.60/219,359.10
  6. Step 6: Final answer
    x = 222,750.45

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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.