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Finding the Fourth Proportional to 266,457, 367,710.66 and 153,279.75

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Solution

The fourth proportional to 266,457, 367,710.66 and 153,279.75 is: 211,526.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,457 : 367,710.66 = 153,279.75 : x
  2. Step 2: Convert to fraction form
    266,457/367,710.66 = 153,279.75/x
  3. Step 3: Cross multiply
    266,457x = 367,710.66 × 153,279.75
  4. Step 4: Simplify right side
    266,457x = 56,362,598,037.14
  5. Step 5: Solve for x
    x = 56,362,598,037.14/266,457
  6. Step 6: Final answer
    x = 211,526.06

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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.