Home / 453,912.24-680,671.43-154,312.35

Finding the Fourth Proportional to 453,912.24, 680,671.43 and 154,312.35

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Solution

The fourth proportional to 453,912.24, 680,671.43 and 154,312.35 is: 231,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,912.24 : 680,671.43 = 154,312.35 : x
  2. Step 2: Convert to fraction form
    453,912.24/680,671.43 = 154,312.35/x
  3. Step 3: Cross multiply
    453,912.24x = 680,671.43 × 154,312.35
  4. Step 4: Simplify right side
    453,912.24x = 105,036,007,941.16
  5. Step 5: Solve for x
    x = 105,036,007,941.16/453,912.24
  6. Step 6: Final answer
    x = 231,401.58

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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.