Home / 288,621.09-398,266.20-167,737.10

Finding the Fourth Proportional to 288,621.09, 398,266.20 and 167,737.10

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Solution

The fourth proportional to 288,621.09, 398,266.20 and 167,737.10 is: 231,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,621.09 : 398,266.20 = 167,737.10 : x
  2. Step 2: Convert to fraction form
    288,621.09/398,266.20 = 167,737.10/x
  3. Step 3: Cross multiply
    288,621.09x = 398,266.20 × 167,737.10
  4. Step 4: Simplify right side
    288,621.09x = 66,804,015,424.69
  5. Step 5: Solve for x
    x = 66,804,015,424.69/288,621.09
  6. Step 6: Final answer
    x = 231,459.23

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1.5x scale

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.