Home / 302,009.10-453,003.17-77,371.40

Finding the Fourth Proportional to 302,009.10, 453,003.17 and 77,371.40

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Solution

The fourth proportional to 302,009.10, 453,003.17 and 77,371.40 is: 116,054.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,009.10 : 453,003.17 = 77,371.40 : x
  2. Step 2: Convert to fraction form
    302,009.10/453,003.17 = 77,371.40/x
  3. Step 3: Cross multiply
    302,009.10x = 453,003.17 × 77,371.40
  4. Step 4: Simplify right side
    302,009.10x = 35,049,487,202.32
  5. Step 5: Solve for x
    x = 35,049,487,202.32/302,009.10
  6. Step 6: Final answer
    x = 116,054.41

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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.