Home / 351,045.09-526,567.23-140,830.65

Finding the Fourth Proportional to 351,045.09, 526,567.23 and 140,830.65

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Solution

The fourth proportional to 351,045.09, 526,567.23 and 140,830.65 is: 211,245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,045.09 : 526,567.23 = 140,830.65 : x
  2. Step 2: Convert to fraction form
    351,045.09/526,567.23 = 140,830.65/x
  3. Step 3: Cross multiply
    351,045.09x = 526,567.23 × 140,830.65
  4. Step 4: Simplify right side
    351,045.09x = 74,156,805,269.60
  5. Step 5: Solve for x
    x = 74,156,805,269.60/351,045.09
  6. Step 6: Final answer
    x = 211,245.81

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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.