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Finding the Fourth Proportional to 482,903.02, 666,405.03 and 268,045.66

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Solution

The fourth proportional to 482,903.02, 666,405.03 and 268,045.66 is: 369,902.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,903.02 : 666,405.03 = 268,045.66 : x
  2. Step 2: Convert to fraction form
    482,903.02/666,405.03 = 268,045.66/x
  3. Step 3: Cross multiply
    482,903.02x = 666,405.03 × 268,045.66
  4. Step 4: Simplify right side
    482,903.02x = 178,626,976,093.67
  5. Step 5: Solve for x
    x = 178,626,976,093.67/482,903.02
  6. Step 6: Final answer
    x = 369,902.38

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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.