Home / 353,066.07-487,465.77-271,248.57

Finding the Fourth Proportional to 353,066.07, 487,465.77 and 271,248.57

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Solution

The fourth proportional to 353,066.07, 487,465.77 and 271,248.57 is: 374,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,066.07 : 487,465.77 = 271,248.57 : x
  2. Step 2: Convert to fraction form
    353,066.07/487,465.77 = 271,248.57/x
  3. Step 3: Cross multiply
    353,066.07x = 487,465.77 × 271,248.57
  4. Step 4: Simplify right side
    353,066.07x = 132,224,393,036.45
  5. Step 5: Solve for x
    x = 132,224,393,036.45/353,066.07
  6. Step 6: Final answer
    x = 374,503.26

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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.