Home / 276,931.11-382,165.32-149,606.74

Finding the Fourth Proportional to 276,931.11, 382,165.32 and 149,606.74

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Solution

The fourth proportional to 276,931.11, 382,165.32 and 149,606.74 is: 206,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,931.11 : 382,165.32 = 149,606.74 : x
  2. Step 2: Convert to fraction form
    276,931.11/382,165.32 = 149,606.74/x
  3. Step 3: Cross multiply
    276,931.11x = 382,165.32 × 149,606.74
  4. Step 4: Simplify right side
    276,931.11x = 57,174,507,666.26
  5. Step 5: Solve for x
    x = 57,174,507,666.26/276,931.11
  6. Step 6: Final answer
    x = 206,457.51

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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.