Home / 346,844.87-478,619.30-210,859.95

Finding the Fourth Proportional to 346,844.87, 478,619.30 and 210,859.95

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Solution

The fourth proportional to 346,844.87, 478,619.30 and 210,859.95 is: 290,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,844.87 : 478,619.30 = 210,859.95 : x
  2. Step 2: Convert to fraction form
    346,844.87/478,619.30 = 210,859.95/x
  3. Step 3: Cross multiply
    346,844.87x = 478,619.30 × 210,859.95
  4. Step 4: Simplify right side
    346,844.87x = 100,921,640,110.69
  5. Step 5: Solve for x
    x = 100,921,640,110.69/346,844.87
  6. Step 6: Final answer
    x = 290,970.54

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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.