Home / 293,670.08-405,436.80-213,020.16

Finding the Fourth Proportional to 293,670.08, 405,436.80 and 213,020.16

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Solution

The fourth proportional to 293,670.08, 405,436.80 and 213,020.16 is: 294,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,670.08 : 405,436.80 = 213,020.16 : x
  2. Step 2: Convert to fraction form
    293,670.08/405,436.80 = 213,020.16/x
  3. Step 3: Cross multiply
    293,670.08x = 405,436.80 × 213,020.16
  4. Step 4: Simplify right side
    293,670.08x = 86,366,212,005.89
  5. Step 5: Solve for x
    x = 86,366,212,005.89/293,670.08
  6. Step 6: Final answer
    x = 294,092.65

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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.