Home / 329,621.10-493,775.55-171,938.40

Finding the Fourth Proportional to 329,621.10, 493,775.55 and 171,938.40

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Solution

The fourth proportional to 329,621.10, 493,775.55 and 171,938.40 is: 257,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,621.10 : 493,775.55 = 171,938.40 : x
  2. Step 2: Convert to fraction form
    329,621.10/493,775.55 = 171,938.40/x
  3. Step 3: Cross multiply
    329,621.10x = 493,775.55 × 171,938.40
  4. Step 4: Simplify right side
    329,621.10x = 84,898,978,026.12
  5. Step 5: Solve for x
    x = 84,898,978,026.12/329,621.10
  6. Step 6: Final answer
    x = 257,565.36

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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.