Home / 345,020.04-476,046.24-290,038.44

Finding the Fourth Proportional to 345,020.04, 476,046.24 and 290,038.44

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Solution

The fourth proportional to 345,020.04, 476,046.24 and 290,038.44 is: 400,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,020.04 : 476,046.24 = 290,038.44 : x
  2. Step 2: Convert to fraction form
    345,020.04/476,046.24 = 290,038.44/x
  3. Step 3: Cross multiply
    345,020.04x = 476,046.24 × 290,038.44
  4. Step 4: Simplify right side
    345,020.04x = 138,071,708,817.47
  5. Step 5: Solve for x
    x = 138,071,708,817.47/345,020.04
  6. Step 6: Final answer
    x = 400,184.61

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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.