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Finding the Fourth Proportional to 243,648.34, 336,323.73 and 146,855.65

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Solution

The fourth proportional to 243,648.34, 336,323.73 and 146,855.65 is: 202,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,648.34 : 336,323.73 = 146,855.65 : x
  2. Step 2: Convert to fraction form
    243,648.34/336,323.73 = 146,855.65/x
  3. Step 3: Cross multiply
    243,648.34x = 336,323.73 × 146,855.65
  4. Step 4: Simplify right side
    243,648.34x = 49,391,039,494.02
  5. Step 5: Solve for x
    x = 49,391,039,494.02/243,648.34
  6. Step 6: Final answer
    x = 202,714.45

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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.