Home / 347,832.80-521,749.20-170,248.40

Finding the Fourth Proportional to 347,832.80, 521,749.20 and 170,248.40

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Solution

The fourth proportional to 347,832.80, 521,749.20 and 170,248.40 is: 255,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,832.80 : 521,749.20 = 170,248.40 : x
  2. Step 2: Convert to fraction form
    347,832.80/521,749.20 = 170,248.40/x
  3. Step 3: Cross multiply
    347,832.80x = 521,749.20 × 170,248.40
  4. Step 4: Simplify right side
    347,832.80x = 88,826,966,501.28
  5. Step 5: Solve for x
    x = 88,826,966,501.28/347,832.80
  6. Step 6: Final answer
    x = 255,372.60

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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.