Home / 351,942.30-528,172.65-141,731.10

Finding the Fourth Proportional to 351,942.30, 528,172.65 and 141,731.10

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Solution

The fourth proportional to 351,942.30, 528,172.65 and 141,731.10 is: 212,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,942.30 : 528,172.65 = 141,731.10 : x
  2. Step 2: Convert to fraction form
    351,942.30/528,172.65 = 141,731.10/x
  3. Step 3: Cross multiply
    351,942.30x = 528,172.65 × 141,731.10
  4. Step 4: Simplify right side
    351,942.30x = 74,858,490,674.42
  5. Step 5: Solve for x
    x = 74,858,490,674.42/351,942.30
  6. Step 6: Final answer
    x = 212,701.03

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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.