Home / 247,225.28-341,156.40-139,817.84

Finding the Fourth Proportional to 247,225.28, 341,156.40 and 139,817.84

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Solution

The fourth proportional to 247,225.28, 341,156.40 and 139,817.84 is: 192,940.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,225.28 : 341,156.40 = 139,817.84 : x
  2. Step 2: Convert to fraction form
    247,225.28/341,156.40 = 139,817.84/x
  3. Step 3: Cross multiply
    247,225.28x = 341,156.40 × 139,817.84
  4. Step 4: Simplify right side
    247,225.28x = 47,699,750,950.18
  5. Step 5: Solve for x
    x = 47,699,750,950.18/247,225.28
  6. Step 6: Final answer
    x = 192,940.43

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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.