Home / 245,435.02-368,157.12-76,951.60

Finding the Fourth Proportional to 245,435.02, 368,157.12 and 76,951.60

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Solution

The fourth proportional to 245,435.02, 368,157.12 and 76,951.60 is: 115,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,435.02 : 368,157.12 = 76,951.60 : x
  2. Step 2: Convert to fraction form
    245,435.02/368,157.12 = 76,951.60/x
  3. Step 3: Cross multiply
    245,435.02x = 368,157.12 × 76,951.60
  4. Step 4: Simplify right side
    245,435.02x = 28,330,279,435.39
  5. Step 5: Solve for x
    x = 28,330,279,435.39/245,435.02
  6. Step 6: Final answer
    x = 115,428.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.