Home / 318,217.50-439,140.24-174,987.36

Finding the Fourth Proportional to 318,217.50, 439,140.24 and 174,987.36

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Solution

The fourth proportional to 318,217.50, 439,140.24 and 174,987.36 is: 241,482.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,217.50 : 439,140.24 = 174,987.36 : x
  2. Step 2: Convert to fraction form
    318,217.50/439,140.24 = 174,987.36/x
  3. Step 3: Cross multiply
    318,217.50x = 439,140.24 × 174,987.36
  4. Step 4: Simplify right side
    318,217.50x = 76,843,991,267.37
  5. Step 5: Solve for x
    x = 76,843,991,267.37/318,217.50
  6. Step 6: Final answer
    x = 241,482.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.