Home / 312,448.17-465,928.70-309,606.44

Finding the Fourth Proportional to 312,448.17, 465,928.70 and 309,606.44

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Solution

The fourth proportional to 312,448.17, 465,928.70 and 309,606.44 is: 461,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,448.17 : 465,928.70 = 309,606.44 : x
  2. Step 2: Convert to fraction form
    312,448.17/465,928.70 = 309,606.44/x
  3. Step 3: Cross multiply
    312,448.17x = 465,928.70 × 309,606.44
  4. Step 4: Simplify right side
    312,448.17x = 144,254,522,223.15
  5. Step 5: Solve for x
    x = 144,254,522,223.15/312,448.17
  6. Step 6: Final answer
    x = 461,691.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.