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Finding the Fourth Proportional to 515,595.56, 773,393.40 and 160,638.20

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Solution

The fourth proportional to 515,595.56, 773,393.40 and 160,638.20 is: 240,957.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,595.56 : 773,393.40 = 160,638.20 : x
  2. Step 2: Convert to fraction form
    515,595.56/773,393.40 = 160,638.20/x
  3. Step 3: Cross multiply
    515,595.56x = 773,393.40 × 160,638.20
  4. Step 4: Simplify right side
    515,595.56x = 124,236,523,667.88
  5. Step 5: Solve for x
    x = 124,236,523,667.88/515,595.56
  6. Step 6: Final answer
    x = 240,957.32

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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.