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Finding the Fourth Proportional to 357,423.93, 493,245 and 196,281.66

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Solution

The fourth proportional to 357,423.93, 493,245 and 196,281.66 is: 270,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,423.93 : 493,245 = 196,281.66 : x
  2. Step 2: Convert to fraction form
    357,423.93/493,245 = 196,281.66/x
  3. Step 3: Cross multiply
    357,423.93x = 493,245 × 196,281.66
  4. Step 4: Simplify right side
    357,423.93x = 96,814,947,386.70
  5. Step 5: Solve for x
    x = 96,814,947,386.70/357,423.93
  6. Step 6: Final answer
    x = 270,868.68

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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.