Home / 288,964.95-398,597.27-190,848.80

Finding the Fourth Proportional to 288,964.95, 398,597.27 and 190,848.80

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Solution

The fourth proportional to 288,964.95, 398,597.27 and 190,848.80 is: 263,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,964.95 : 398,597.27 = 190,848.80 : x
  2. Step 2: Convert to fraction form
    288,964.95/398,597.27 = 190,848.80/x
  3. Step 3: Cross multiply
    288,964.95x = 398,597.27 × 190,848.80
  4. Step 4: Simplify right side
    288,964.95x = 76,071,807,715.55
  5. Step 5: Solve for x
    x = 76,071,807,715.55/288,964.95
  6. Step 6: Final answer
    x = 263,256.18

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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.