Home / 386,930.04-533,955.96-214,839.06

Finding the Fourth Proportional to 386,930.04, 533,955.96 and 214,839.06

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Solution

The fourth proportional to 386,930.04, 533,955.96 and 214,839.06 is: 296,473.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,930.04 : 533,955.96 = 214,839.06 : x
  2. Step 2: Convert to fraction form
    386,930.04/533,955.96 = 214,839.06/x
  3. Step 3: Cross multiply
    386,930.04x = 533,955.96 × 214,839.06
  4. Step 4: Simplify right side
    386,930.04x = 114,714,596,527.80
  5. Step 5: Solve for x
    x = 114,714,596,527.80/386,930.04
  6. Step 6: Final answer
    x = 296,473.74

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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.