Home / 287,365.92-396,577.26-160,041.51

Finding the Fourth Proportional to 287,365.92, 396,577.26 and 160,041.51

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Solution

The fourth proportional to 287,365.92, 396,577.26 and 160,041.51 is: 220,864.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,365.92 : 396,577.26 = 160,041.51 : x
  2. Step 2: Convert to fraction form
    287,365.92/396,577.26 = 160,041.51/x
  3. Step 3: Cross multiply
    287,365.92x = 396,577.26 × 160,041.51
  4. Step 4: Simplify right side
    287,365.92x = 63,468,823,522.06
  5. Step 5: Solve for x
    x = 63,468,823,522.06/287,365.92
  6. Step 6: Final answer
    x = 220,864.13

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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.