Home / 266,289.04-399,436.98-148,708.36

Finding the Fourth Proportional to 266,289.04, 399,436.98 and 148,708.36

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Solution

The fourth proportional to 266,289.04, 399,436.98 and 148,708.36 is: 223,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,289.04 : 399,436.98 = 148,708.36 : x
  2. Step 2: Convert to fraction form
    266,289.04/399,436.98 = 148,708.36/x
  3. Step 3: Cross multiply
    266,289.04x = 399,436.98 × 148,708.36
  4. Step 4: Simplify right side
    266,289.04x = 59,399,618,219.15
  5. Step 5: Solve for x
    x = 59,399,618,219.15/266,289.04
  6. Step 6: Final answer
    x = 223,064.45

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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.