Home / 272,919.81-407,460.71-208,541.03

Finding the Fourth Proportional to 272,919.81, 407,460.71 and 208,541.03

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Solution

The fourth proportional to 272,919.81, 407,460.71 and 208,541.03 is: 311,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,919.81 : 407,460.71 = 208,541.03 : x
  2. Step 2: Convert to fraction form
    272,919.81/407,460.71 = 208,541.03/x
  3. Step 3: Cross multiply
    272,919.81x = 407,460.71 × 208,541.03
  4. Step 4: Simplify right side
    272,919.81x = 84,972,273,067.92
  5. Step 5: Solve for x
    x = 84,972,273,067.92/272,919.81
  6. Step 6: Final answer
    x = 311,345.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.