Home / 346,042.08-477,456.57-210,072.60

Finding the Fourth Proportional to 346,042.08, 477,456.57 and 210,072.60

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Solution

The fourth proportional to 346,042.08, 477,456.57 and 210,072.60 is: 289,850.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,042.08 : 477,456.57 = 210,072.60 : x
  2. Step 2: Convert to fraction form
    346,042.08/477,456.57 = 210,072.60/x
  3. Step 3: Cross multiply
    346,042.08x = 477,456.57 × 210,072.60
  4. Step 4: Simplify right side
    346,042.08x = 100,300,543,046.98
  5. Step 5: Solve for x
    x = 100,300,543,046.98/346,042.08
  6. Step 6: Final answer
    x = 289,850.71

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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.