Home / 281,490.29-388,462.23-154,165.88

Finding the Fourth Proportional to 281,490.29, 388,462.23 and 154,165.88

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Solution

The fourth proportional to 281,490.29, 388,462.23 and 154,165.88 is: 212,752.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,490.29 : 388,462.23 = 154,165.88 : x
  2. Step 2: Convert to fraction form
    281,490.29/388,462.23 = 154,165.88/x
  3. Step 3: Cross multiply
    281,490.29x = 388,462.23 × 154,165.88
  4. Step 4: Simplify right side
    281,490.29x = 59,887,622,505.87
  5. Step 5: Solve for x
    x = 59,887,622,505.87/281,490.29
  6. Step 6: Final answer
    x = 212,752.00

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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.