Home / 287,882.07-397,277.96-160,565.91

Finding the Fourth Proportional to 287,882.07, 397,277.96 and 160,565.91

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Solution

The fourth proportional to 287,882.07, 397,277.96 and 160,565.91 is: 221,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,882.07 : 397,277.96 = 160,565.91 : x
  2. Step 2: Convert to fraction form
    287,882.07/397,277.96 = 160,565.91/x
  3. Step 3: Cross multiply
    287,882.07x = 397,277.96 × 160,565.91
  4. Step 4: Simplify right side
    287,882.07x = 63,789,296,367.51
  5. Step 5: Solve for x
    x = 63,789,296,367.51/287,882.07
  6. Step 6: Final answer
    x = 221,581.35

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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.