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Finding the Fourth Proportional to 357,351.46, 493,154.66 and 202,290.72

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Solution

The fourth proportional to 357,351.46, 493,154.66 and 202,290.72 is: 279,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,351.46 : 493,154.66 = 202,290.72 : x
  2. Step 2: Convert to fraction form
    357,351.46/493,154.66 = 202,290.72/x
  3. Step 3: Cross multiply
    357,351.46x = 493,154.66 × 202,290.72
  4. Step 4: Simplify right side
    357,351.46x = 99,760,611,242.76
  5. Step 5: Solve for x
    x = 99,760,611,242.76/357,351.46
  6. Step 6: Final answer
    x = 279,166.65

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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.