Home / 266,290.04-399,438.48-148,709.36

Finding the Fourth Proportional to 266,290.04, 399,438.48 and 148,709.36

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Solution

The fourth proportional to 266,290.04, 399,438.48 and 148,709.36 is: 223,065.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,290.04 : 399,438.48 = 148,709.36 : x
  2. Step 2: Convert to fraction form
    266,290.04/399,438.48 = 148,709.36/x
  3. Step 3: Cross multiply
    266,290.04x = 399,438.48 × 148,709.36
  4. Step 4: Simplify right side
    266,290.04x = 59,400,240,720.17
  5. Step 5: Solve for x
    x = 59,400,240,720.17/266,290.04
  6. Step 6: Final answer
    x = 223,065.95

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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.