Home / 228,283.02-314,837.28-137,619.12

Finding the Fourth Proportional to 228,283.02, 314,837.28 and 137,619.12

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Solution

The fourth proportional to 228,283.02, 314,837.28 and 137,619.12 is: 189,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,283.02 : 314,837.28 = 137,619.12 : x
  2. Step 2: Convert to fraction form
    228,283.02/314,837.28 = 137,619.12/x
  3. Step 3: Cross multiply
    228,283.02x = 314,837.28 × 137,619.12
  4. Step 4: Simplify right side
    228,283.02x = 43,327,629,416.79
  5. Step 5: Solve for x
    x = 43,327,629,416.79/228,283.02
  6. Step 6: Final answer
    x = 189,797.86

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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.