Home / 289,024.02-398,589.62-248,175.38

Finding the Fourth Proportional to 289,024.02, 398,589.62 and 248,175.38

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Solution

The fourth proportional to 289,024.02, 398,589.62 and 248,175.38 is: 342,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,024.02 : 398,589.62 = 248,175.38 : x
  2. Step 2: Convert to fraction form
    289,024.02/398,589.62 = 248,175.38/x
  3. Step 3: Cross multiply
    289,024.02x = 398,589.62 × 248,175.38
  4. Step 4: Simplify right side
    289,024.02x = 98,920,130,407.56
  5. Step 5: Solve for x
    x = 98,920,130,407.56/289,024.02
  6. Step 6: Final answer
    x = 342,255.74

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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.