Home / 346,826.61-478,634.67-201,631.68

Finding the Fourth Proportional to 346,826.61, 478,634.67 and 201,631.68

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Solution

The fourth proportional to 346,826.61, 478,634.67 and 201,631.68 is: 278,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,826.61 : 478,634.67 = 201,631.68 : x
  2. Step 2: Convert to fraction form
    346,826.61/478,634.67 = 201,631.68/x
  3. Step 3: Cross multiply
    346,826.61x = 478,634.67 × 201,631.68
  4. Step 4: Simplify right side
    346,826.61x = 96,507,912,618.35
  5. Step 5: Solve for x
    x = 96,507,912,618.35/346,826.61
  6. Step 6: Final answer
    x = 278,259.83

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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.