Home / 346,076.20-519,405.90-156,827.80

Finding the Fourth Proportional to 346,076.20, 519,405.90 and 156,827.80

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Solution

The fourth proportional to 346,076.20, 519,405.90 and 156,827.80 is: 235,373.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,076.20 : 519,405.90 = 156,827.80 : x
  2. Step 2: Convert to fraction form
    346,076.20/519,405.90 = 156,827.80/x
  3. Step 3: Cross multiply
    346,076.20x = 519,405.90 × 156,827.80
  4. Step 4: Simplify right side
    346,076.20x = 81,457,284,604.02
  5. Step 5: Solve for x
    x = 81,457,284,604.02/346,076.20
  6. Step 6: Final answer
    x = 235,373.84

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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.