Home / 353,350.86-487,637.19-202,477.02

Finding the Fourth Proportional to 353,350.86, 487,637.19 and 202,477.02

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Solution

The fourth proportional to 353,350.86, 487,637.19 and 202,477.02 is: 279,425.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,350.86 : 487,637.19 = 202,477.02 : x
  2. Step 2: Convert to fraction form
    353,350.86/487,637.19 = 202,477.02/x
  3. Step 3: Cross multiply
    353,350.86x = 487,637.19 × 202,477.02
  4. Step 4: Simplify right side
    353,350.86x = 98,735,325,072.37
  5. Step 5: Solve for x
    x = 98,735,325,072.37/353,350.86
  6. Step 6: Final answer
    x = 279,425.74

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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.