Home / 293,074.12-438,927.54-213,992.20

Finding the Fourth Proportional to 293,074.12, 438,927.54 and 213,992.20

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Solution

The fourth proportional to 293,074.12, 438,927.54 and 213,992.20 is: 320,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,074.12 : 438,927.54 = 213,992.20 : x
  2. Step 2: Convert to fraction form
    293,074.12/438,927.54 = 213,992.20/x
  3. Step 3: Cross multiply
    293,074.12x = 438,927.54 × 213,992.20
  4. Step 4: Simplify right side
    293,074.12x = 93,927,069,925.19
  5. Step 5: Solve for x
    x = 93,927,069,925.19/293,074.12
  6. Step 6: Final answer
    x = 320,489.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.