Home / 380,388.24-524,965.32-210,638.16

Finding the Fourth Proportional to 380,388.24, 524,965.32 and 210,638.16

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Solution

The fourth proportional to 380,388.24, 524,965.32 and 210,638.16 is: 290,697.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,388.24 : 524,965.32 = 210,638.16 : x
  2. Step 2: Convert to fraction form
    380,388.24/524,965.32 = 210,638.16/x
  3. Step 3: Cross multiply
    380,388.24x = 524,965.32 × 210,638.16
  4. Step 4: Simplify right side
    380,388.24x = 110,577,729,068.61
  5. Step 5: Solve for x
    x = 110,577,729,068.61/380,388.24
  6. Step 6: Final answer
    x = 290,697.02

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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.