Home / 380,365.64-524,920.98-210,599.75

Finding the Fourth Proportional to 380,365.64, 524,920.98 and 210,599.75

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Solution

The fourth proportional to 380,365.64, 524,920.98 and 210,599.75 is: 290,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,365.64 : 524,920.98 = 210,599.75 : x
  2. Step 2: Convert to fraction form
    380,365.64/524,920.98 = 210,599.75/x
  3. Step 3: Cross multiply
    380,365.64x = 524,920.98 × 210,599.75
  4. Step 4: Simplify right side
    380,365.64x = 110,548,227,157.76
  5. Step 5: Solve for x
    x = 110,548,227,157.76/380,365.64
  6. Step 6: Final answer
    x = 290,636.73

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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.