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Finding the Fourth Proportional to 346,799.45, 520,199.16 and 97,481.45

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Solution

The fourth proportional to 346,799.45, 520,199.16 and 97,481.45 is: 146,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,799.45 : 520,199.16 = 97,481.45 : x
  2. Step 2: Convert to fraction form
    346,799.45/520,199.16 = 97,481.45/x
  3. Step 3: Cross multiply
    346,799.45x = 520,199.16 × 97,481.45
  4. Step 4: Simplify right side
    346,799.45x = 50,709,765,804.59
  5. Step 5: Solve for x
    x = 50,709,765,804.59/346,799.45
  6. Step 6: Final answer
    x = 146,222.17

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1.5x scale

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.