Home / 266,288.04-399,435.48-148,707.36

Finding the Fourth Proportional to 266,288.04, 399,435.48 and 148,707.36

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Solution

The fourth proportional to 266,288.04, 399,435.48 and 148,707.36 is: 223,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,288.04 : 399,435.48 = 148,707.36 : x
  2. Step 2: Convert to fraction form
    266,288.04/399,435.48 = 148,707.36/x
  3. Step 3: Cross multiply
    266,288.04x = 399,435.48 × 148,707.36
  4. Step 4: Simplify right side
    266,288.04x = 59,398,995,721.13
  5. Step 5: Solve for x
    x = 59,398,995,721.13/266,288.04
  6. Step 6: Final answer
    x = 223,062.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.