Home / 346,203.45-519,253.20-109,515.38

Finding the Fourth Proportional to 346,203.45, 519,253.20 and 109,515.38

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Solution

The fourth proportional to 346,203.45, 519,253.20 and 109,515.38 is: 164,256.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,203.45 : 519,253.20 = 109,515.38 : x
  2. Step 2: Convert to fraction form
    346,203.45/519,253.20 = 109,515.38/x
  3. Step 3: Cross multiply
    346,203.45x = 519,253.20 × 109,515.38
  4. Step 4: Simplify right side
    346,203.45x = 56,866,208,917.95
  5. Step 5: Solve for x
    x = 56,866,208,917.95/346,203.45
  6. Step 6: Final answer
    x = 164,256.62

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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.