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Finding the Fourth Proportional to 357,360.41, 493,157.78 and 212,195.18

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Solution

The fourth proportional to 357,360.41, 493,157.78 and 212,195.18 is: 292,829.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,360.41 : 493,157.78 = 212,195.18 : x
  2. Step 2: Convert to fraction form
    357,360.41/493,157.78 = 212,195.18/x
  3. Step 3: Cross multiply
    357,360.41x = 493,157.78 × 212,195.18
  4. Step 4: Simplify right side
    357,360.41x = 104,645,700,368.74
  5. Step 5: Solve for x
    x = 104,645,700,368.74/357,360.41
  6. Step 6: Final answer
    x = 292,829.59

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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.