Home / 380,252.72-524,748.75-210,486.84

Finding the Fourth Proportional to 380,252.72, 524,748.75 and 210,486.84

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Solution

The fourth proportional to 380,252.72, 524,748.75 and 210,486.84 is: 290,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,252.72 : 524,748.75 = 210,486.84 : x
  2. Step 2: Convert to fraction form
    380,252.72/524,748.75 = 210,486.84/x
  3. Step 3: Cross multiply
    380,252.72x = 524,748.75 × 210,486.84
  4. Step 4: Simplify right side
    380,252.72x = 110,452,706,181.45
  5. Step 5: Solve for x
    x = 110,452,706,181.45/380,252.72
  6. Step 6: Final answer
    x = 290,471.84

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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.