Home / 445,979.44-615,452.03-242,030.40

Finding the Fourth Proportional to 445,979.44, 615,452.03 and 242,030.40

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Solution

The fourth proportional to 445,979.44, 615,452.03 and 242,030.40 is: 334,002.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,979.44 : 615,452.03 = 242,030.40 : x
  2. Step 2: Convert to fraction form
    445,979.44/615,452.03 = 242,030.40/x
  3. Step 3: Cross multiply
    445,979.44x = 615,452.03 × 242,030.40
  4. Step 4: Simplify right side
    445,979.44x = 148,958,101,001.71
  5. Step 5: Solve for x
    x = 148,958,101,001.71/445,979.44
  6. Step 6: Final answer
    x = 334,002.17

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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.