Home / 286,335.40-395,155.98-159,011.56

Finding the Fourth Proportional to 286,335.40, 395,155.98 and 159,011.56

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Solution

The fourth proportional to 286,335.40, 395,155.98 and 159,011.56 is: 219,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,335.40 : 395,155.98 = 159,011.56 : x
  2. Step 2: Convert to fraction form
    286,335.40/395,155.98 = 159,011.56/x
  3. Step 3: Cross multiply
    286,335.40x = 395,155.98 × 159,011.56
  4. Step 4: Simplify right side
    286,335.40x = 62,834,368,823.13
  5. Step 5: Solve for x
    x = 62,834,368,823.13/286,335.40
  6. Step 6: Final answer
    x = 219,443.24

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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.