Home / 287,378.24-396,594.20-160,053.83

Finding the Fourth Proportional to 287,378.24, 396,594.20 and 160,053.83

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Solution

The fourth proportional to 287,378.24, 396,594.20 and 160,053.83 is: 220,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,378.24 : 396,594.20 = 160,053.83 : x
  2. Step 2: Convert to fraction form
    287,378.24/396,594.20 = 160,053.83/x
  3. Step 3: Cross multiply
    287,378.24x = 396,594.20 × 160,053.83
  4. Step 4: Simplify right side
    287,378.24x = 63,476,420,665.79
  5. Step 5: Solve for x
    x = 63,476,420,665.79/287,378.24
  6. Step 6: Final answer
    x = 220,881.10

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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.