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Finding the Fourth Proportional to 266,361.62, 367,590.21 and 153,184.46

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Solution

The fourth proportional to 266,361.62, 367,590.21 and 153,184.46 is: 211,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,361.62 : 367,590.21 = 153,184.46 : x
  2. Step 2: Convert to fraction form
    266,361.62/367,590.21 = 153,184.46/x
  3. Step 3: Cross multiply
    266,361.62x = 367,590.21 × 153,184.46
  4. Step 4: Simplify right side
    266,361.62x = 56,309,107,820.14
  5. Step 5: Solve for x
    x = 56,309,107,820.14/266,361.62
  6. Step 6: Final answer
    x = 211,400.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.