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Finding the Fourth Proportional to 266,285.88, 367,477.56 and 145,430.64

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Solution

The fourth proportional to 266,285.88, 367,477.56 and 145,430.64 is: 200,695.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,285.88 : 367,477.56 = 145,430.64 : x
  2. Step 2: Convert to fraction form
    266,285.88/367,477.56 = 145,430.64/x
  3. Step 3: Cross multiply
    266,285.88x = 367,477.56 × 145,430.64
  4. Step 4: Simplify right side
    266,285.88x = 53,442,496,736.44
  5. Step 5: Solve for x
    x = 53,442,496,736.44/266,285.88
  6. Step 6: Final answer
    x = 200,695.95

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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.