Home / 346,786.20-519,693.30-275,830.20

Finding the Fourth Proportional to 346,786.20, 519,693.30 and 275,830.20

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Solution

The fourth proportional to 346,786.20, 519,693.30 and 275,830.20 is: 413,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,786.20 : 519,693.30 = 275,830.20 : x
  2. Step 2: Convert to fraction form
    346,786.20/519,693.30 = 275,830.20/x
  3. Step 3: Cross multiply
    346,786.20x = 519,693.30 × 275,830.20
  4. Step 4: Simplify right side
    346,786.20x = 143,347,106,877.66
  5. Step 5: Solve for x
    x = 143,347,106,877.66/346,786.20
  6. Step 6: Final answer
    x = 413,358.74

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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.