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Finding the Fourth Proportional to 266,999.02, 368,457.37 and 144,491.33

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Solution

The fourth proportional to 266,999.02, 368,457.37 and 144,491.33 is: 199,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,999.02 : 368,457.37 = 144,491.33 : x
  2. Step 2: Convert to fraction form
    266,999.02/368,457.37 = 144,491.33/x
  3. Step 3: Cross multiply
    266,999.02x = 368,457.37 × 144,491.33
  4. Step 4: Simplify right side
    266,999.02x = 53,238,895,439.60
  5. Step 5: Solve for x
    x = 53,238,895,439.60/266,999.02
  6. Step 6: Final answer
    x = 199,397.34

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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.