Home / 310,733.02-428,747.16-181,646.42

Finding the Fourth Proportional to 310,733.02, 428,747.16 and 181,646.42

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Solution

The fourth proportional to 310,733.02, 428,747.16 and 181,646.42 is: 250,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,733.02 : 428,747.16 = 181,646.42 : x
  2. Step 2: Convert to fraction form
    310,733.02/428,747.16 = 181,646.42/x
  3. Step 3: Cross multiply
    310,733.02x = 428,747.16 × 181,646.42
  4. Step 4: Simplify right side
    310,733.02x = 77,880,386,699.17
  5. Step 5: Solve for x
    x = 77,880,386,699.17/310,733.02
  6. Step 6: Final answer
    x = 250,634.41

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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.