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Finding the Fourth Proportional to 352,225.84, 486,416.93 and 243,608.49

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Solution

The fourth proportional to 352,225.84, 486,416.93 and 243,608.49 is: 336,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,225.84 : 486,416.93 = 243,608.49 : x
  2. Step 2: Convert to fraction form
    352,225.84/486,416.93 = 243,608.49/x
  3. Step 3: Cross multiply
    352,225.84x = 486,416.93 × 243,608.49
  4. Step 4: Simplify right side
    352,225.84x = 118,495,293,639.67
  5. Step 5: Solve for x
    x = 118,495,293,639.67/352,225.84
  6. Step 6: Final answer
    x = 336,418.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.