Home / 346,935.78-478,851.39-225,866.25

Finding the Fourth Proportional to 346,935.78, 478,851.39 and 225,866.25

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Solution

The fourth proportional to 346,935.78, 478,851.39 and 225,866.25 is: 311,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,935.78 : 478,851.39 = 225,866.25 : x
  2. Step 2: Convert to fraction form
    346,935.78/478,851.39 = 225,866.25/x
  3. Step 3: Cross multiply
    346,935.78x = 478,851.39 × 225,866.25
  4. Step 4: Simplify right side
    346,935.78x = 108,156,367,766.59
  5. Step 5: Solve for x
    x = 108,156,367,766.59/346,935.78
  6. Step 6: Final answer
    x = 311,747.52

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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.