Home / 316,634.07-474,980.30-103,403.10

Finding the Fourth Proportional to 316,634.07, 474,980.30 and 103,403.10

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Solution

The fourth proportional to 316,634.07, 474,980.30 and 103,403.10 is: 155,114.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,634.07 : 474,980.30 = 103,403.10 : x
  2. Step 2: Convert to fraction form
    316,634.07/474,980.30 = 103,403.10/x
  3. Step 3: Cross multiply
    316,634.07x = 474,980.30 × 103,403.10
  4. Step 4: Simplify right side
    316,634.07x = 49,114,435,020.73
  5. Step 5: Solve for x
    x = 49,114,435,020.73/316,634.07
  6. Step 6: Final answer
    x = 155,114.18

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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.