Home / 287,368.51-396,568.56-160,044.10

Finding the Fourth Proportional to 287,368.51, 396,568.56 and 160,044.10

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Solution

The fourth proportional to 287,368.51, 396,568.56 and 160,044.10 is: 220,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,368.51 : 396,568.56 = 160,044.10 : x
  2. Step 2: Convert to fraction form
    287,368.51/396,568.56 = 160,044.10/x
  3. Step 3: Cross multiply
    287,368.51x = 396,568.56 × 160,044.10
  4. Step 4: Simplify right side
    287,368.51x = 63,468,458,273.50
  5. Step 5: Solve for x
    x = 63,468,458,273.50/287,368.51
  6. Step 6: Final answer
    x = 220,860.87

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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.