Home / 380,025.03-524,433.78-210,258.75

Finding the Fourth Proportional to 380,025.03, 524,433.78 and 210,258.75

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Solution

The fourth proportional to 380,025.03, 524,433.78 and 210,258.75 is: 290,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,025.03 : 524,433.78 = 210,258.75 : x
  2. Step 2: Convert to fraction form
    380,025.03/524,433.78 = 210,258.75/x
  3. Step 3: Cross multiply
    380,025.03x = 524,433.78 × 210,258.75
  4. Step 4: Simplify right side
    380,025.03x = 110,266,791,040.58
  5. Step 5: Solve for x
    x = 110,266,791,040.58/380,025.03
  6. Step 6: Final answer
    x = 290,156.65

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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.