Home / 266,169.02-367,318.80-145,315.40

Finding the Fourth Proportional to 266,169.02, 367,318.80 and 145,315.40

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Solution

The fourth proportional to 266,169.02, 367,318.80 and 145,315.40 is: 200,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,169.02 : 367,318.80 = 145,315.40 : x
  2. Step 2: Convert to fraction form
    266,169.02/367,318.80 = 145,315.40/x
  3. Step 3: Cross multiply
    266,169.02x = 367,318.80 × 145,315.40
  4. Step 4: Simplify right side
    266,169.02x = 53,377,076,512.93
  5. Step 5: Solve for x
    x = 53,377,076,512.93/266,169.02
  6. Step 6: Final answer
    x = 200,538.28

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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.