Home / 303,522.21-454,386.60-290,531.43

Finding the Fourth Proportional to 303,522.21, 454,386.60 and 290,531.43

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Solution

The fourth proportional to 303,522.21, 454,386.60 and 290,531.43 is: 434,938.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,522.21 : 454,386.60 = 290,531.43 : x
  2. Step 2: Convert to fraction form
    303,522.21/454,386.60 = 290,531.43/x
  3. Step 3: Cross multiply
    303,522.21x = 454,386.60 × 290,531.43
  4. Step 4: Simplify right side
    303,522.21x = 132,013,588,670.84
  5. Step 5: Solve for x
    x = 132,013,588,670.84/303,522.21
  6. Step 6: Final answer
    x = 434,938.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.