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Finding the Fourth Proportional to 377,152.56, 520,426.92 and 215,998.02

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Solution

The fourth proportional to 377,152.56, 520,426.92 and 215,998.02 is: 298,052.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,152.56 : 520,426.92 = 215,998.02 : x
  2. Step 2: Convert to fraction form
    377,152.56/520,426.92 = 215,998.02/x
  3. Step 3: Cross multiply
    377,152.56x = 520,426.92 × 215,998.02
  4. Step 4: Simplify right side
    377,152.56x = 112,411,184,274.70
  5. Step 5: Solve for x
    x = 112,411,184,274.70/377,152.56
  6. Step 6: Final answer
    x = 298,052.29

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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.