Home / 380,093.78-524,533.12-210,327.50

Finding the Fourth Proportional to 380,093.78, 524,533.12 and 210,327.50

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Solution

The fourth proportional to 380,093.78, 524,533.12 and 210,327.50 is: 290,254.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,093.78 : 524,533.12 = 210,327.50 : x
  2. Step 2: Convert to fraction form
    380,093.78/524,533.12 = 210,327.50/x
  3. Step 3: Cross multiply
    380,093.78x = 524,533.12 × 210,327.50
  4. Step 4: Simplify right side
    380,093.78x = 110,323,739,796.80
  5. Step 5: Solve for x
    x = 110,323,739,796.80/380,093.78
  6. Step 6: Final answer
    x = 290,254.00

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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.