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Finding the Fourth Proportional to 467,253.96, 644,810.42 and 252,394.05

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Solution

The fourth proportional to 467,253.96, 644,810.42 and 252,394.05 is: 348,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,253.96 : 644,810.42 = 252,394.05 : x
  2. Step 2: Convert to fraction form
    467,253.96/644,810.42 = 252,394.05/x
  3. Step 3: Cross multiply
    467,253.96x = 644,810.42 × 252,394.05
  4. Step 4: Simplify right side
    467,253.96x = 162,746,312,124.03
  5. Step 5: Solve for x
    x = 162,746,312,124.03/467,253.96
  6. Step 6: Final answer
    x = 348,303.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.