Home / 432,436.06-648,436.32-144,145.63

Finding the Fourth Proportional to 432,436.06, 648,436.32 and 144,145.63

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Solution

The fourth proportional to 432,436.06, 648,436.32 and 144,145.63 is: 216,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,436.06 : 648,436.32 = 144,145.63 : x
  2. Step 2: Convert to fraction form
    432,436.06/648,436.32 = 144,145.63/x
  3. Step 3: Cross multiply
    432,436.06x = 648,436.32 × 144,145.63
  4. Step 4: Simplify right side
    432,436.06x = 93,469,261,861.28
  5. Step 5: Solve for x
    x = 93,469,261,861.28/432,436.06
  6. Step 6: Final answer
    x = 216,145.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.