Home / 346,321.80-519,434.10-109,688.40

Finding the Fourth Proportional to 346,321.80, 519,434.10 and 109,688.40

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Solution

The fourth proportional to 346,321.80, 519,434.10 and 109,688.40 is: 164,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,321.80 : 519,434.10 = 109,688.40 : x
  2. Step 2: Convert to fraction form
    346,321.80/519,434.10 = 109,688.40/x
  3. Step 3: Cross multiply
    346,321.80x = 519,434.10 × 109,688.40
  4. Step 4: Simplify right side
    346,321.80x = 56,975,895,334.44
  5. Step 5: Solve for x
    x = 56,975,895,334.44/346,321.80
  6. Step 6: Final answer
    x = 164,517.21

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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.