Home / 435,942.90-653,428.35-169,614.90

Finding the Fourth Proportional to 435,942.90, 653,428.35 and 169,614.90

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Solution

The fourth proportional to 435,942.90, 653,428.35 and 169,614.90 is: 254,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,942.90 : 653,428.35 = 169,614.90 : x
  2. Step 2: Convert to fraction form
    435,942.90/653,428.35 = 169,614.90/x
  3. Step 3: Cross multiply
    435,942.90x = 653,428.35 × 169,614.90
  4. Step 4: Simplify right side
    435,942.90x = 110,831,184,242.42
  5. Step 5: Solve for x
    x = 110,831,184,242.42/435,942.90
  6. Step 6: Final answer
    x = 254,233.26

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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.