Home / 307,715.02-424,311.92-200,085.46

Finding the Fourth Proportional to 307,715.02, 424,311.92 and 200,085.46

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Solution

The fourth proportional to 307,715.02, 424,311.92 and 200,085.46 is: 275,900.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,715.02 : 424,311.92 = 200,085.46 : x
  2. Step 2: Convert to fraction form
    307,715.02/424,311.92 = 200,085.46/x
  3. Step 3: Cross multiply
    307,715.02x = 424,311.92 × 200,085.46
  4. Step 4: Simplify right side
    307,715.02x = 84,898,644,385.80
  5. Step 5: Solve for x
    x = 84,898,644,385.80/307,715.02
  6. Step 6: Final answer
    x = 275,900.23

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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.