Home / 288,964.20-398,928.06-174,263.34

Finding the Fourth Proportional to 288,964.20, 398,928.06 and 174,263.34

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Solution

The fourth proportional to 288,964.20, 398,928.06 and 174,263.34 is: 240,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,964.20 : 398,928.06 = 174,263.34 : x
  2. Step 2: Convert to fraction form
    288,964.20/398,928.06 = 174,263.34/x
  3. Step 3: Cross multiply
    288,964.20x = 398,928.06 × 174,263.34
  4. Step 4: Simplify right side
    288,964.20x = 69,518,536,155.32
  5. Step 5: Solve for x
    x = 69,518,536,155.32/288,964.20
  6. Step 6: Final answer
    x = 240,578.37

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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.