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Finding the Fourth Proportional to 346,856.76, 519,740.82 and 206,538.84

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Solution

The fourth proportional to 346,856.76, 519,740.82 and 206,538.84 is: 309,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,856.76 : 519,740.82 = 206,538.84 : x
  2. Step 2: Convert to fraction form
    346,856.76/519,740.82 = 206,538.84/x
  3. Step 3: Cross multiply
    346,856.76x = 519,740.82 × 206,538.84
  4. Step 4: Simplify right side
    346,856.76x = 107,346,666,063.45
  5. Step 5: Solve for x
    x = 107,346,666,063.45/346,856.76
  6. Step 6: Final answer
    x = 309,484.14

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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.