Home / 346,931.66-478,759.47-196,025.42

Finding the Fourth Proportional to 346,931.66, 478,759.47 and 196,025.42

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Solution

The fourth proportional to 346,931.66, 478,759.47 and 196,025.42 is: 270,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,931.66 : 478,759.47 = 196,025.42 : x
  2. Step 2: Convert to fraction form
    346,931.66/478,759.47 = 196,025.42/x
  3. Step 3: Cross multiply
    346,931.66x = 478,759.47 × 196,025.42
  4. Step 4: Simplify right side
    346,931.66x = 93,849,026,185.73
  5. Step 5: Solve for x
    x = 93,849,026,185.73/346,931.66
  6. Step 6: Final answer
    x = 270,511.56

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1.5x scale

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.