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Finding the Fourth Proportional to 325,758.53, 486,409.63 and 291,805.35

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Solution

The fourth proportional to 325,758.53, 486,409.63 and 291,805.35 is: 435,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,758.53 : 486,409.63 = 291,805.35 : x
  2. Step 2: Convert to fraction form
    325,758.53/486,409.63 = 291,805.35/x
  3. Step 3: Cross multiply
    325,758.53x = 486,409.63 × 291,805.35
  4. Step 4: Simplify right side
    325,758.53x = 141,936,932,812.03
  5. Step 5: Solve for x
    x = 141,936,932,812.03/325,758.53
  6. Step 6: Final answer
    x = 435,712.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.