Home / 287,974.95-397,356.21-167,088.52

Finding the Fourth Proportional to 287,974.95, 397,356.21 and 167,088.52

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Solution

The fourth proportional to 287,974.95, 397,356.21 and 167,088.52 is: 230,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,974.95 : 397,356.21 = 167,088.52 : x
  2. Step 2: Convert to fraction form
    287,974.95/397,356.21 = 167,088.52/x
  3. Step 3: Cross multiply
    287,974.95x = 397,356.21 × 167,088.52
  4. Step 4: Simplify right side
    287,974.95x = 66,393,661,041.71
  5. Step 5: Solve for x
    x = 66,393,661,041.71/287,974.95
  6. Step 6: Final answer
    x = 230,553.60

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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.