Home / 272,643.08-376,238.90-157,923.96

Finding the Fourth Proportional to 272,643.08, 376,238.90 and 157,923.96

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Solution

The fourth proportional to 272,643.08, 376,238.90 and 157,923.96 is: 217,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,643.08 : 376,238.90 = 157,923.96 : x
  2. Step 2: Convert to fraction form
    272,643.08/376,238.90 = 157,923.96/x
  3. Step 3: Cross multiply
    272,643.08x = 376,238.90 × 157,923.96
  4. Step 4: Simplify right side
    272,643.08x = 59,417,136,204.42
  5. Step 5: Solve for x
    x = 59,417,136,204.42/272,643.08
  6. Step 6: Final answer
    x = 217,930.11

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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.