Home / 287,360.84-396,570.27-160,036.44

Finding the Fourth Proportional to 287,360.84, 396,570.27 and 160,036.44

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Solution

The fourth proportional to 287,360.84, 396,570.27 and 160,036.44 is: 220,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,360.84 : 396,570.27 = 160,036.44 : x
  2. Step 2: Convert to fraction form
    287,360.84/396,570.27 = 160,036.44/x
  3. Step 3: Cross multiply
    287,360.84x = 396,570.27 × 160,036.44
  4. Step 4: Simplify right side
    287,360.84x = 63,465,691,437.61
  5. Step 5: Solve for x
    x = 63,465,691,437.61/287,360.84
  6. Step 6: Final answer
    x = 220,857.13

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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.