Home / 346,947.73-478,806.14-210,959.15

Finding the Fourth Proportional to 346,947.73, 478,806.14 and 210,959.15

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Solution

The fourth proportional to 346,947.73, 478,806.14 and 210,959.15 is: 291,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,947.73 : 478,806.14 = 210,959.15 : x
  2. Step 2: Convert to fraction form
    346,947.73/478,806.14 = 210,959.15/x
  3. Step 3: Cross multiply
    346,947.73x = 478,806.14 × 210,959.15
  4. Step 4: Simplify right side
    346,947.73x = 101,008,536,309.18
  5. Step 5: Solve for x
    x = 101,008,536,309.18/346,947.73
  6. Step 6: Final answer
    x = 291,134.74

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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.