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Finding the Fourth Proportional to 349,757.67, 524,636.04 and 139,543.23

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Solution

The fourth proportional to 349,757.67, 524,636.04 and 139,543.23 is: 209,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,757.67 : 524,636.04 = 139,543.23 : x
  2. Step 2: Convert to fraction form
    349,757.67/524,636.04 = 139,543.23/x
  3. Step 3: Cross multiply
    349,757.67x = 524,636.04 × 139,543.23
  4. Step 4: Simplify right side
    349,757.67x = 73,209,407,596.01
  5. Step 5: Solve for x
    x = 73,209,407,596.01/349,757.67
  6. Step 6: Final answer
    x = 209,314.66

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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.