Home / 285,962.04-394,674.92-158,678.64

Finding the Fourth Proportional to 285,962.04, 394,674.92 and 158,678.64

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Solution

The fourth proportional to 285,962.04, 394,674.92 and 158,678.64 is: 219,002.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,962.04 : 394,674.92 = 158,678.64 : x
  2. Step 2: Convert to fraction form
    285,962.04/394,674.92 = 158,678.64/x
  3. Step 3: Cross multiply
    285,962.04x = 394,674.92 × 158,678.64
  4. Step 4: Simplify right side
    285,962.04x = 62,626,479,547.71
  5. Step 5: Solve for x
    x = 62,626,479,547.71/285,962.04
  6. Step 6: Final answer
    x = 219,002.77

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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.