Home / 340,263.48-510,395.22-90,939

Finding the Fourth Proportional to 340,263.48, 510,395.22 and 90,939

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Solution

The fourth proportional to 340,263.48, 510,395.22 and 90,939 is: 136,408.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,263.48 : 510,395.22 = 90,939 : x
  2. Step 2: Convert to fraction form
    340,263.48/510,395.22 = 90,939/x
  3. Step 3: Cross multiply
    340,263.48x = 510,395.22 × 90,939
  4. Step 4: Simplify right side
    340,263.48x = 46,414,830,911.58
  5. Step 5: Solve for x
    x = 46,414,830,911.58/340,263.48
  6. Step 6: Final answer
    x = 136,408.50

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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.