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Finding the Fourth Proportional to 335,037.60, 502,556.40 and 277,956.90

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Solution

The fourth proportional to 335,037.60, 502,556.40 and 277,956.90 is: 416,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,037.60 : 502,556.40 = 277,956.90 : x
  2. Step 2: Convert to fraction form
    335,037.60/502,556.40 = 277,956.90/x
  3. Step 3: Cross multiply
    335,037.60x = 502,556.40 × 277,956.90
  4. Step 4: Simplify right side
    335,037.60x = 139,689,019,019.16
  5. Step 5: Solve for x
    x = 139,689,019,019.16/335,037.60
  6. Step 6: Final answer
    x = 416,935.35

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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.