Home / 307,560.32-424,435.20-171,602.56

Finding the Fourth Proportional to 307,560.32, 424,435.20 and 171,602.56

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Solution

The fourth proportional to 307,560.32, 424,435.20 and 171,602.56 is: 236,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,560.32 : 424,435.20 = 171,602.56 : x
  2. Step 2: Convert to fraction form
    307,560.32/424,435.20 = 171,602.56/x
  3. Step 3: Cross multiply
    307,560.32x = 424,435.20 × 171,602.56
  4. Step 4: Simplify right side
    307,560.32x = 72,834,166,874.11
  5. Step 5: Solve for x
    x = 72,834,166,874.11/307,560.32
  6. Step 6: Final answer
    x = 236,812.63

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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.