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Finding the Fourth Proportional to 328,536.80, 453,379.88 and 183,341.03

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Solution

The fourth proportional to 328,536.80, 453,379.88 and 183,341.03 is: 253,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,536.80 : 453,379.88 = 183,341.03 : x
  2. Step 2: Convert to fraction form
    328,536.80/453,379.88 = 183,341.03/x
  3. Step 3: Cross multiply
    328,536.80x = 453,379.88 × 183,341.03
  4. Step 4: Simplify right side
    328,536.80x = 83,123,134,180.48
  5. Step 5: Solve for x
    x = 83,123,134,180.48/328,536.80
  6. Step 6: Final answer
    x = 253,010.12

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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.