Home / 376,837.52-520,060.04-215,744.72

Finding the Fourth Proportional to 376,837.52, 520,060.04 and 215,744.72

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Solution

The fourth proportional to 376,837.52, 520,060.04 and 215,744.72 is: 297,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,837.52 : 520,060.04 = 215,744.72 : x
  2. Step 2: Convert to fraction form
    376,837.52/520,060.04 = 215,744.72/x
  3. Step 3: Cross multiply
    376,837.52x = 520,060.04 × 215,744.72
  4. Step 4: Simplify right side
    376,837.52x = 112,200,207,712.99
  5. Step 5: Solve for x
    x = 112,200,207,712.99/376,837.52
  6. Step 6: Final answer
    x = 297,741.60

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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.