Home / 266,886.62-400,267.04-98,315.39

Finding the Fourth Proportional to 266,886.62, 400,267.04 and 98,315.39

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Solution

The fourth proportional to 266,886.62, 400,267.04 and 98,315.39 is: 147,449.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,886.62 : 400,267.04 = 98,315.39 : x
  2. Step 2: Convert to fraction form
    266,886.62/400,267.04 = 98,315.39/x
  3. Step 3: Cross multiply
    266,886.62x = 400,267.04 × 98,315.39
  4. Step 4: Simplify right side
    266,886.62x = 39,352,407,648.83
  5. Step 5: Solve for x
    x = 39,352,407,648.83/266,886.62
  6. Step 6: Final answer
    x = 147,449.91

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1.5x scale

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.