Home / 215,618.60-323,427.90-194,623.40

Finding the Fourth Proportional to 215,618.60, 323,427.90 and 194,623.40

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Solution

The fourth proportional to 215,618.60, 323,427.90 and 194,623.40 is: 291,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,618.60 : 323,427.90 = 194,623.40 : x
  2. Step 2: Convert to fraction form
    215,618.60/323,427.90 = 194,623.40/x
  3. Step 3: Cross multiply
    215,618.60x = 323,427.90 × 194,623.40
  4. Step 4: Simplify right side
    215,618.60x = 62,946,637,552.86
  5. Step 5: Solve for x
    x = 62,946,637,552.86/215,618.60
  6. Step 6: Final answer
    x = 291,935.10

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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.