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Finding the Fourth Proportional to 357,363.60, 493,187.66 and 236,294.93

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Solution

The fourth proportional to 357,363.60, 493,187.66 and 236,294.93 is: 326,104.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,363.60 : 493,187.66 = 236,294.93 : x
  2. Step 2: Convert to fraction form
    357,363.60/493,187.66 = 236,294.93/x
  3. Step 3: Cross multiply
    357,363.60x = 493,187.66 × 236,294.93
  4. Step 4: Simplify right side
    357,363.60x = 116,537,739,949.15
  5. Step 5: Solve for x
    x = 116,537,739,949.15/357,363.60
  6. Step 6: Final answer
    x = 326,104.11

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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.