Home / 328,972-453,981.36-178,069

Finding the Fourth Proportional to 328,972, 453,981.36 and 178,069

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Solution

The fourth proportional to 328,972, 453,981.36 and 178,069 is: 245,735.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,972 : 453,981.36 = 178,069 : x
  2. Step 2: Convert to fraction form
    328,972/453,981.36 = 178,069/x
  3. Step 3: Cross multiply
    328,972x = 453,981.36 × 178,069
  4. Step 4: Simplify right side
    328,972x = 80,840,006,793.84
  5. Step 5: Solve for x
    x = 80,840,006,793.84/328,972
  6. Step 6: Final answer
    x = 245,735.22

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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.