Home / 215,045.10-322,567.65-162,557.10

Finding the Fourth Proportional to 215,045.10, 322,567.65 and 162,557.10

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Solution

The fourth proportional to 215,045.10, 322,567.65 and 162,557.10 is: 243,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,045.10 : 322,567.65 = 162,557.10 : x
  2. Step 2: Convert to fraction form
    215,045.10/322,567.65 = 162,557.10/x
  3. Step 3: Cross multiply
    215,045.10x = 322,567.65 × 162,557.10
  4. Step 4: Simplify right side
    215,045.10x = 52,435,661,737.82
  5. Step 5: Solve for x
    x = 52,435,661,737.82/215,045.10
  6. Step 6: Final answer
    x = 243,835.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.