Home / 318,112.26-438,995.40-174,873.18

Finding the Fourth Proportional to 318,112.26, 438,995.40 and 174,873.18

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Solution

The fourth proportional to 318,112.26, 438,995.40 and 174,873.18 is: 241,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,112.26 : 438,995.40 = 174,873.18 : x
  2. Step 2: Convert to fraction form
    318,112.26/438,995.40 = 174,873.18/x
  3. Step 3: Cross multiply
    318,112.26x = 438,995.40 × 174,873.18
  4. Step 4: Simplify right side
    318,112.26x = 76,768,521,603.37
  5. Step 5: Solve for x
    x = 76,768,521,603.37/318,112.26
  6. Step 6: Final answer
    x = 241,325.25

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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.