Home / 247,941.65-342,236.81-145,959.10

Finding the Fourth Proportional to 247,941.65, 342,236.81 and 145,959.10

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Solution

The fourth proportional to 247,941.65, 342,236.81 and 145,959.10 is: 201,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,941.65 : 342,236.81 = 145,959.10 : x
  2. Step 2: Convert to fraction form
    247,941.65/342,236.81 = 145,959.10/x
  3. Step 3: Cross multiply
    247,941.65x = 342,236.81 × 145,959.10
  4. Step 4: Simplify right side
    247,941.65x = 49,952,576,774.47
  5. Step 5: Solve for x
    x = 49,952,576,774.47/247,941.65
  6. Step 6: Final answer
    x = 201,469.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.