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Finding the Fourth Proportional to 256,659.18, 384,035.24 and 161,444.76

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Solution

The fourth proportional to 256,659.18, 384,035.24 and 161,444.76 is: 241,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,659.18 : 384,035.24 = 161,444.76 : x
  2. Step 2: Convert to fraction form
    256,659.18/384,035.24 = 161,444.76/x
  3. Step 3: Cross multiply
    256,659.18x = 384,035.24 × 161,444.76
  4. Step 4: Simplify right side
    256,659.18x = 62,000,477,153.34
  5. Step 5: Solve for x
    x = 62,000,477,153.34/256,659.18
  6. Step 6: Final answer
    x = 241,567.35

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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.