Home / 407,748.51-562,651.80-238,081.05

Finding the Fourth Proportional to 407,748.51, 562,651.80 and 238,081.05

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Solution

The fourth proportional to 407,748.51, 562,651.80 and 238,081.05 is: 328,527.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,748.51 : 562,651.80 = 238,081.05 : x
  2. Step 2: Convert to fraction form
    407,748.51/562,651.80 = 238,081.05/x
  3. Step 3: Cross multiply
    407,748.51x = 562,651.80 × 238,081.05
  4. Step 4: Simplify right side
    407,748.51x = 133,956,731,328.39
  5. Step 5: Solve for x
    x = 133,956,731,328.39/407,748.51
  6. Step 6: Final answer
    x = 328,527.83

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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.