Home / 287,592.34-396,877.81-160,265.14

Finding the Fourth Proportional to 287,592.34, 396,877.81 and 160,265.14

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Solution

The fourth proportional to 287,592.34, 396,877.81 and 160,265.14 is: 221,166.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,592.34 : 396,877.81 = 160,265.14 : x
  2. Step 2: Convert to fraction form
    287,592.34/396,877.81 = 160,265.14/x
  3. Step 3: Cross multiply
    287,592.34x = 396,877.81 × 160,265.14
  4. Step 4: Simplify right side
    287,592.34x = 63,605,677,782.54
  5. Step 5: Solve for x
    x = 63,605,677,782.54/287,592.34
  6. Step 6: Final answer
    x = 221,166.11

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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.