Home / 349,200.12-524,029.50-191,539.20

Finding the Fourth Proportional to 349,200.12, 524,029.50 and 191,539.20

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Solution

The fourth proportional to 349,200.12, 524,029.50 and 191,539.20 is: 287,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,200.12 : 524,029.50 = 191,539.20 : x
  2. Step 2: Convert to fraction form
    349,200.12/524,029.50 = 191,539.20/x
  3. Step 3: Cross multiply
    349,200.12x = 524,029.50 × 191,539.20
  4. Step 4: Simplify right side
    349,200.12x = 100,372,191,206.40
  5. Step 5: Solve for x
    x = 100,372,191,206.40/349,200.12
  6. Step 6: Final answer
    x = 287,434.58

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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.