Home / 286,865.04-395,868.12-159,537.90

Finding the Fourth Proportional to 286,865.04, 395,868.12 and 159,537.90

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Solution

The fourth proportional to 286,865.04, 395,868.12 and 159,537.90 is: 220,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,865.04 : 395,868.12 = 159,537.90 : x
  2. Step 2: Convert to fraction form
    286,865.04/395,868.12 = 159,537.90/x
  3. Step 3: Cross multiply
    286,865.04x = 395,868.12 × 159,537.90
  4. Step 4: Simplify right side
    286,865.04x = 63,155,968,541.75
  5. Step 5: Solve for x
    x = 63,155,968,541.75/286,865.04
  6. Step 6: Final answer
    x = 220,159.17

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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.