Home / 247,291.20-370,936.80-245,541.60

Finding the Fourth Proportional to 247,291.20, 370,936.80 and 245,541.60

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Solution

The fourth proportional to 247,291.20, 370,936.80 and 245,541.60 is: 368,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,291.20 : 370,936.80 = 245,541.60 : x
  2. Step 2: Convert to fraction form
    247,291.20/370,936.80 = 245,541.60/x
  3. Step 3: Cross multiply
    247,291.20x = 370,936.80 × 245,541.60
  4. Step 4: Simplify right side
    247,291.20x = 91,080,415,370.88
  5. Step 5: Solve for x
    x = 91,080,415,370.88/247,291.20
  6. Step 6: Final answer
    x = 368,312.40

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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.