Home / 317,673.28-438,396.06-174,439.36

Finding the Fourth Proportional to 317,673.28, 438,396.06 and 174,439.36

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Solution

The fourth proportional to 317,673.28, 438,396.06 and 174,439.36 is: 240,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,673.28 : 438,396.06 = 174,439.36 : x
  2. Step 2: Convert to fraction form
    317,673.28/438,396.06 = 174,439.36/x
  3. Step 3: Cross multiply
    317,673.28x = 438,396.06 × 174,439.36
  4. Step 4: Simplify right side
    317,673.28x = 76,473,528,132.92
  5. Step 5: Solve for x
    x = 76,473,528,132.92/317,673.28
  6. Step 6: Final answer
    x = 240,730.12

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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.