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Finding the Fourth Proportional to 266,888.45, 400,332.95 and 109,116.91

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Solution

The fourth proportional to 266,888.45, 400,332.95 and 109,116.91 is: 163,675.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,888.45 : 400,332.95 = 109,116.91 : x
  2. Step 2: Convert to fraction form
    266,888.45/400,332.95 = 109,116.91/x
  3. Step 3: Cross multiply
    266,888.45x = 400,332.95 × 109,116.91
  4. Step 4: Simplify right side
    266,888.45x = 43,683,094,475.18
  5. Step 5: Solve for x
    x = 43,683,094,475.18/266,888.45
  6. Step 6: Final answer
    x = 163,675.48

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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.