Home / 238,009.44-328,450.32-137,405.28

Finding the Fourth Proportional to 238,009.44, 328,450.32 and 137,405.28

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Solution

The fourth proportional to 238,009.44, 328,450.32 and 137,405.28 is: 189,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,009.44 : 328,450.32 = 137,405.28 : x
  2. Step 2: Convert to fraction form
    238,009.44/328,450.32 = 137,405.28/x
  3. Step 3: Cross multiply
    238,009.44x = 328,450.32 × 137,405.28
  4. Step 4: Simplify right side
    238,009.44x = 45,130,808,185.69
  5. Step 5: Solve for x
    x = 45,130,808,185.69/238,009.44
  6. Step 6: Final answer
    x = 189,617.72

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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.