Home / 380,375.84-524,918.69-210,609.96

Finding the Fourth Proportional to 380,375.84, 524,918.69 and 210,609.96

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Solution

The fourth proportional to 380,375.84, 524,918.69 and 210,609.96 is: 290,641.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,375.84 : 524,918.69 = 210,609.96 : x
  2. Step 2: Convert to fraction form
    380,375.84/524,918.69 = 210,609.96/x
  3. Step 3: Cross multiply
    380,375.84x = 524,918.69 × 210,609.96
  4. Step 4: Simplify right side
    380,375.84x = 110,553,104,830.68
  5. Step 5: Solve for x
    x = 110,553,104,830.68/380,375.84
  6. Step 6: Final answer
    x = 290,641.77

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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.