Home / 316,938.16-437,408.76-202,219.92

Finding the Fourth Proportional to 316,938.16, 437,408.76 and 202,219.92

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Solution

The fourth proportional to 316,938.16, 437,408.76 and 202,219.92 is: 279,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,938.16 : 437,408.76 = 202,219.92 : x
  2. Step 2: Convert to fraction form
    316,938.16/437,408.76 = 202,219.92/x
  3. Step 3: Cross multiply
    316,938.16x = 437,408.76 × 202,219.92
  4. Step 4: Simplify right side
    316,938.16x = 88,452,764,454.50
  5. Step 5: Solve for x
    x = 88,452,764,454.50/316,938.16
  6. Step 6: Final answer
    x = 279,085.25

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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.