Home / 317,615.27-438,312.72-174,372.23

Finding the Fourth Proportional to 317,615.27, 438,312.72 and 174,372.23

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Solution

The fourth proportional to 317,615.27, 438,312.72 and 174,372.23 is: 240,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,615.27 : 438,312.72 = 174,372.23 : x
  2. Step 2: Convert to fraction form
    317,615.27/438,312.72 = 174,372.23/x
  3. Step 3: Cross multiply
    317,615.27x = 438,312.72 × 174,372.23
  4. Step 4: Simplify right side
    317,615.27x = 76,429,564,232.20
  5. Step 5: Solve for x
    x = 76,429,564,232.20/317,615.27
  6. Step 6: Final answer
    x = 240,635.68

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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.