Home / 338,433.12-510,027.30-304,740.36

Finding the Fourth Proportional to 338,433.12, 510,027.30 and 304,740.36

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Solution

The fourth proportional to 338,433.12, 510,027.30 and 304,740.36 is: 459,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,433.12 : 510,027.30 = 304,740.36 : x
  2. Step 2: Convert to fraction form
    338,433.12/510,027.30 = 304,740.36/x
  3. Step 3: Cross multiply
    338,433.12x = 510,027.30 × 304,740.36
  4. Step 4: Simplify right side
    338,433.12x = 155,425,903,011.83
  5. Step 5: Solve for x
    x = 155,425,903,011.83/338,433.12
  6. Step 6: Final answer
    x = 459,251.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.