Home / 380,429.31-524,971.44-210,652.50

Finding the Fourth Proportional to 380,429.31, 524,971.44 and 210,652.50

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Solution

The fourth proportional to 380,429.31, 524,971.44 and 210,652.50 is: 290,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,429.31 : 524,971.44 = 210,652.50 : x
  2. Step 2: Convert to fraction form
    380,429.31/524,971.44 = 210,652.50/x
  3. Step 3: Cross multiply
    380,429.31x = 524,971.44 × 210,652.50
  4. Step 4: Simplify right side
    380,429.31x = 110,586,546,264.60
  5. Step 5: Solve for x
    x = 110,586,546,264.60/380,429.31
  6. Step 6: Final answer
    x = 290,688.82

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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.