Home / 364,734.08-503,417-213,879.68

Finding the Fourth Proportional to 364,734.08, 503,417 and 213,879.68

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Solution

The fourth proportional to 364,734.08, 503,417 and 213,879.68 is: 295,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,734.08 : 503,417 = 213,879.68 : x
  2. Step 2: Convert to fraction form
    364,734.08/503,417 = 213,879.68/x
  3. Step 3: Cross multiply
    364,734.08x = 503,417 × 213,879.68
  4. Step 4: Simplify right side
    364,734.08x = 107,670,666,866.56
  5. Step 5: Solve for x
    x = 107,670,666,866.56/364,734.08
  6. Step 6: Final answer
    x = 295,203.20

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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.