Home / 459,741.57-690,029.51-235,257.09

Finding the Fourth Proportional to 459,741.57, 690,029.51 and 235,257.09

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Solution

The fourth proportional to 459,741.57, 690,029.51 and 235,257.09 is: 353,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,741.57 : 690,029.51 = 235,257.09 : x
  2. Step 2: Convert to fraction form
    459,741.57/690,029.51 = 235,257.09/x
  3. Step 3: Cross multiply
    459,741.57x = 690,029.51 × 235,257.09
  4. Step 4: Simplify right side
    459,741.57x = 162,334,333,360.44
  5. Step 5: Solve for x
    x = 162,334,333,360.44/459,741.57
  6. Step 6: Final answer
    x = 353,099.10

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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.