Home / 376,921.66-520,146.04-207,152.14

Finding the Fourth Proportional to 376,921.66, 520,146.04 and 207,152.14

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Solution

The fourth proportional to 376,921.66, 520,146.04 and 207,152.14 is: 285,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,921.66 : 520,146.04 = 207,152.14 : x
  2. Step 2: Convert to fraction form
    376,921.66/520,146.04 = 207,152.14/x
  3. Step 3: Cross multiply
    376,921.66x = 520,146.04 × 207,152.14
  4. Step 4: Simplify right side
    376,921.66x = 107,749,365,298.53
  5. Step 5: Solve for x
    x = 107,749,365,298.53/376,921.66
  6. Step 6: Final answer
    x = 285,866.74

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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.