Home / 209,028.08-313,548.08-51,256.40

Finding the Fourth Proportional to 209,028.08, 313,548.08 and 51,256.40

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Solution

The fourth proportional to 209,028.08, 313,548.08 and 51,256.40 is: 76,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,028.08 : 313,548.08 = 51,256.40 : x
  2. Step 2: Convert to fraction form
    209,028.08/313,548.08 = 51,256.40/x
  3. Step 3: Cross multiply
    209,028.08x = 313,548.08 × 51,256.40
  4. Step 4: Simplify right side
    209,028.08x = 16,071,345,807.71
  5. Step 5: Solve for x
    x = 16,071,345,807.71/209,028.08
  6. Step 6: Final answer
    x = 76,886.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.