Home / 215,028.02-322,547.70-57,256.76

Finding the Fourth Proportional to 215,028.02, 322,547.70 and 57,256.76

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Solution

The fourth proportional to 215,028.02, 322,547.70 and 57,256.76 is: 85,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,028.02 : 322,547.70 = 57,256.76 : x
  2. Step 2: Convert to fraction form
    215,028.02/322,547.70 = 57,256.76/x
  3. Step 3: Cross multiply
    215,028.02x = 322,547.70 × 57,256.76
  4. Step 4: Simplify right side
    215,028.02x = 18,468,036,247.45
  5. Step 5: Solve for x
    x = 18,468,036,247.45/215,028.02
  6. Step 6: Final answer
    x = 85,886.65

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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.