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Finding the Fourth Proportional to 367,707.63, 507,458.22 and 276,903.39

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Solution

The fourth proportional to 367,707.63, 507,458.22 and 276,903.39 is: 382,143.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,707.63 : 507,458.22 = 276,903.39 : x
  2. Step 2: Convert to fraction form
    367,707.63/507,458.22 = 276,903.39/x
  3. Step 3: Cross multiply
    367,707.63x = 507,458.22 × 276,903.39
  4. Step 4: Simplify right side
    367,707.63x = 140,516,901,401.37
  5. Step 5: Solve for x
    x = 140,516,901,401.37/367,707.63
  6. Step 6: Final answer
    x = 382,143.01

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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.