Home / 215,386.74-323,080.02-57,611.10

Finding the Fourth Proportional to 215,386.74, 323,080.02 and 57,611.10

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Solution

The fourth proportional to 215,386.74, 323,080.02 and 57,611.10 is: 86,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,386.74 : 323,080.02 = 57,611.10 : x
  2. Step 2: Convert to fraction form
    215,386.74/323,080.02 = 57,611.10/x
  3. Step 3: Cross multiply
    215,386.74x = 323,080.02 × 57,611.10
  4. Step 4: Simplify right side
    215,386.74x = 18,612,995,340.22
  5. Step 5: Solve for x
    x = 18,612,995,340.22/215,386.74
  6. Step 6: Final answer
    x = 86,416.63

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1.5x scale

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.