Home / 317,448.04-438,081.60-174,217.36

Finding the Fourth Proportional to 317,448.04, 438,081.60 and 174,217.36

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Solution

The fourth proportional to 317,448.04, 438,081.60 and 174,217.36 is: 240,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,448.04 : 438,081.60 = 174,217.36 : x
  2. Step 2: Convert to fraction form
    317,448.04/438,081.60 = 174,217.36/x
  3. Step 3: Cross multiply
    317,448.04x = 438,081.60 × 174,217.36
  4. Step 4: Simplify right side
    317,448.04x = 76,321,419,816.58
  5. Step 5: Solve for x
    x = 76,321,419,816.58/317,448.04
  6. Step 6: Final answer
    x = 240,421.77

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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.