Home / 472,039.40-651,450.66-268,126.76

Finding the Fourth Proportional to 472,039.40, 651,450.66 and 268,126.76

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Solution

The fourth proportional to 472,039.40, 651,450.66 and 268,126.76 is: 370,035.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,039.40 : 651,450.66 = 268,126.76 : x
  2. Step 2: Convert to fraction form
    472,039.40/651,450.66 = 268,126.76/x
  3. Step 3: Cross multiply
    472,039.40x = 651,450.66 × 268,126.76
  4. Step 4: Simplify right side
    472,039.40x = 174,671,354,765.66
  5. Step 5: Solve for x
    x = 174,671,354,765.66/472,039.40
  6. Step 6: Final answer
    x = 370,035.54

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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.