Home / 340,308.08-510,462.29-140,408.76

Finding the Fourth Proportional to 340,308.08, 510,462.29 and 140,408.76

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Solution

The fourth proportional to 340,308.08, 510,462.29 and 140,408.76 is: 210,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,308.08 : 510,462.29 = 140,408.76 : x
  2. Step 2: Convert to fraction form
    340,308.08/510,462.29 = 140,408.76/x
  3. Step 3: Cross multiply
    340,308.08x = 510,462.29 × 140,408.76
  4. Step 4: Simplify right side
    340,308.08x = 71,673,377,165.66
  5. Step 5: Solve for x
    x = 71,673,377,165.66/340,308.08
  6. Step 6: Final answer
    x = 210,613.21

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1.5x scale

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.