Home / 317,445.39-438,087.29-174,210.57

Finding the Fourth Proportional to 317,445.39, 438,087.29 and 174,210.57

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Solution

The fourth proportional to 317,445.39, 438,087.29 and 174,210.57 is: 240,417.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,445.39 : 438,087.29 = 174,210.57 : x
  2. Step 2: Convert to fraction form
    317,445.39/438,087.29 = 174,210.57/x
  3. Step 3: Cross multiply
    317,445.39x = 438,087.29 × 174,210.57
  4. Step 4: Simplify right side
    317,445.39x = 76,319,435,629.60
  5. Step 5: Solve for x
    x = 76,319,435,629.60/317,445.39
  6. Step 6: Final answer
    x = 240,417.53

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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.