Home / 317,520.55-438,176.82-174,283.03

Finding the Fourth Proportional to 317,520.55, 438,176.82 and 174,283.03

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Solution

The fourth proportional to 317,520.55, 438,176.82 and 174,283.03 is: 240,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,520.55 : 438,176.82 = 174,283.03 : x
  2. Step 2: Convert to fraction form
    317,520.55/438,176.82 = 174,283.03/x
  3. Step 3: Cross multiply
    317,520.55x = 438,176.82 × 174,283.03
  4. Step 4: Simplify right side
    317,520.55x = 76,366,783,865.36
  5. Step 5: Solve for x
    x = 76,366,783,865.36/317,520.55
  6. Step 6: Final answer
    x = 240,509.74

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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.