Home / 287,367.51-396,567.18-160,043.10

Finding the Fourth Proportional to 287,367.51, 396,567.18 and 160,043.10

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Solution

The fourth proportional to 287,367.51, 396,567.18 and 160,043.10 is: 220,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,367.51 : 396,567.18 = 160,043.10 : x
  2. Step 2: Convert to fraction form
    287,367.51/396,567.18 = 160,043.10/x
  3. Step 3: Cross multiply
    287,367.51x = 396,567.18 × 160,043.10
  4. Step 4: Simplify right side
    287,367.51x = 63,467,840,845.46
  5. Step 5: Solve for x
    x = 63,467,840,845.46/287,367.51
  6. Step 6: Final answer
    x = 220,859.49

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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.