Home / 368,120.32-508,096.25-225,000.34

Finding the Fourth Proportional to 368,120.32, 508,096.25 and 225,000.34

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Solution

The fourth proportional to 368,120.32, 508,096.25 and 225,000.34 is: 310,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,120.32 : 508,096.25 = 225,000.34 : x
  2. Step 2: Convert to fraction form
    368,120.32/508,096.25 = 225,000.34/x
  3. Step 3: Cross multiply
    368,120.32x = 508,096.25 × 225,000.34
  4. Step 4: Simplify right side
    368,120.32x = 114,321,827,805.10
  5. Step 5: Solve for x
    x = 114,321,827,805.10/368,120.32
  6. Step 6: Final answer
    x = 310,555.60

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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.