Home / 395,990.04-546,470.16-214,701.51

Finding the Fourth Proportional to 395,990.04, 546,470.16 and 214,701.51

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Solution

The fourth proportional to 395,990.04, 546,470.16 and 214,701.51 is: 296,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,990.04 : 546,470.16 = 214,701.51 : x
  2. Step 2: Convert to fraction form
    395,990.04/546,470.16 = 214,701.51/x
  3. Step 3: Cross multiply
    395,990.04x = 546,470.16 × 214,701.51
  4. Step 4: Simplify right side
    395,990.04x = 117,327,968,521.94
  5. Step 5: Solve for x
    x = 117,327,968,521.94/395,990.04
  6. Step 6: Final answer
    x = 296,290.20

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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.