Home / 285,527.12-428,293.71-117,004.19

Finding the Fourth Proportional to 285,527.12, 428,293.71 and 117,004.19

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Solution

The fourth proportional to 285,527.12, 428,293.71 and 117,004.19 is: 175,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,527.12 : 428,293.71 = 117,004.19 : x
  2. Step 2: Convert to fraction form
    285,527.12/428,293.71 = 117,004.19/x
  3. Step 3: Cross multiply
    285,527.12x = 428,293.71 × 117,004.19
  4. Step 4: Simplify right side
    285,527.12x = 50,112,156,479.18
  5. Step 5: Solve for x
    x = 50,112,156,479.18/285,527.12
  6. Step 6: Final answer
    x = 175,507.52

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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.