Home / 276,666.96-381,836.94-155,832.12

Finding the Fourth Proportional to 276,666.96, 381,836.94 and 155,832.12

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Solution

The fourth proportional to 276,666.96, 381,836.94 and 155,832.12 is: 215,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,666.96 : 381,836.94 = 155,832.12 : x
  2. Step 2: Convert to fraction form
    276,666.96/381,836.94 = 155,832.12/x
  3. Step 3: Cross multiply
    276,666.96x = 381,836.94 × 155,832.12
  4. Step 4: Simplify right side
    276,666.96x = 59,502,459,854.51
  5. Step 5: Solve for x
    x = 59,502,459,854.51/276,666.96
  6. Step 6: Final answer
    x = 215,068.90

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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.