Home / 313,427.10-469,818.93-123,810.69

Finding the Fourth Proportional to 313,427.10, 469,818.93 and 123,810.69

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Solution

The fourth proportional to 313,427.10, 469,818.93 and 123,810.69 is: 185,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,427.10 : 469,818.93 = 123,810.69 : x
  2. Step 2: Convert to fraction form
    313,427.10/469,818.93 = 123,810.69/x
  3. Step 3: Cross multiply
    313,427.10x = 469,818.93 × 123,810.69
  4. Step 4: Simplify right side
    313,427.10x = 58,168,605,898.36
  5. Step 5: Solve for x
    x = 58,168,605,898.36/313,427.10
  6. Step 6: Final answer
    x = 185,588.95

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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.