Home / 317,439.58-438,045.05-174,208.85

Finding the Fourth Proportional to 317,439.58, 438,045.05 and 174,208.85

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Solution

The fourth proportional to 317,439.58, 438,045.05 and 174,208.85 is: 240,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,439.58 : 438,045.05 = 174,208.85 : x
  2. Step 2: Convert to fraction form
    317,439.58/438,045.05 = 174,208.85/x
  3. Step 3: Cross multiply
    317,439.58x = 438,045.05 × 174,208.85
  4. Step 4: Simplify right side
    317,439.58x = 76,311,321,347.42
  5. Step 5: Solve for x
    x = 76,311,321,347.42/317,439.58
  6. Step 6: Final answer
    x = 240,396.37

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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.