Home / 302,013.09-453,009.15-77,375.39

Finding the Fourth Proportional to 302,013.09, 453,009.15 and 77,375.39

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Solution

The fourth proportional to 302,013.09, 453,009.15 and 77,375.39 is: 116,060.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,013.09 : 453,009.15 = 77,375.39 : x
  2. Step 2: Convert to fraction form
    302,013.09/453,009.15 = 77,375.39/x
  3. Step 3: Cross multiply
    302,013.09x = 453,009.15 × 77,375.39
  4. Step 4: Simplify right side
    302,013.09x = 35,051,757,389.77
  5. Step 5: Solve for x
    x = 35,051,757,389.77/302,013.09
  6. Step 6: Final answer
    x = 116,060.39

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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.