Home / 317,451.07-438,095.10-174,216.28

Finding the Fourth Proportional to 317,451.07, 438,095.10 and 174,216.28

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Solution

The fourth proportional to 317,451.07, 438,095.10 and 174,216.28 is: 240,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,451.07 : 438,095.10 = 174,216.28 : x
  2. Step 2: Convert to fraction form
    317,451.07/438,095.10 = 174,216.28/x
  3. Step 3: Cross multiply
    317,451.07x = 438,095.10 × 174,216.28
  4. Step 4: Simplify right side
    317,451.07x = 76,323,298,608.23
  5. Step 5: Solve for x
    x = 76,323,298,608.23/317,451.07
  6. Step 6: Final answer
    x = 240,425.39

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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.