Home / 346,445.20-519,740.70-109,811.80

Finding the Fourth Proportional to 346,445.20, 519,740.70 and 109,811.80

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Solution

The fourth proportional to 346,445.20, 519,740.70 and 109,811.80 is: 164,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,445.20 : 519,740.70 = 109,811.80 : x
  2. Step 2: Convert to fraction form
    346,445.20/519,740.70 = 109,811.80/x
  3. Step 3: Cross multiply
    346,445.20x = 519,740.70 × 109,811.80
  4. Step 4: Simplify right side
    346,445.20x = 57,073,661,800.26
  5. Step 5: Solve for x
    x = 57,073,661,800.26/346,445.20
  6. Step 6: Final answer
    x = 164,740.81

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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.