Home / 419,187.02-578,862.38-266,274.47

Finding the Fourth Proportional to 419,187.02, 578,862.38 and 266,274.47

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Solution

The fourth proportional to 419,187.02, 578,862.38 and 266,274.47 is: 367,702.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,187.02 : 578,862.38 = 266,274.47 : x
  2. Step 2: Convert to fraction form
    419,187.02/578,862.38 = 266,274.47/x
  3. Step 3: Cross multiply
    419,187.02x = 578,862.38 × 266,274.47
  4. Step 4: Simplify right side
    419,187.02x = 154,136,275,550.28
  5. Step 5: Solve for x
    x = 154,136,275,550.28/419,187.02
  6. Step 6: Final answer
    x = 367,702.89

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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.