Home / 261,880.16-361,308.40-152,959.46

Finding the Fourth Proportional to 261,880.16, 361,308.40 and 152,959.46

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Solution

The fourth proportional to 261,880.16, 361,308.40 and 152,959.46 is: 211,033.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,880.16 : 361,308.40 = 152,959.46 : x
  2. Step 2: Convert to fraction form
    261,880.16/361,308.40 = 152,959.46/x
  3. Step 3: Cross multiply
    261,880.16x = 361,308.40 × 152,959.46
  4. Step 4: Simplify right side
    261,880.16x = 55,265,535,568.52
  5. Step 5: Solve for x
    x = 55,265,535,568.52/261,880.16
  6. Step 6: Final answer
    x = 211,033.69

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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.