Home / 702,199.21-1,053,298.87-169,720.10

Finding the Fourth Proportional to 702,199.21, 1,053,298.87 and 169,720.10

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Solution

The fourth proportional to 702,199.21, 1,053,298.87 and 169,720.10 is: 254,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,199.21 : 1,053,298.87 = 169,720.10 : x
  2. Step 2: Convert to fraction form
    702,199.21/1,053,298.87 = 169,720.10/x
  3. Step 3: Cross multiply
    702,199.21x = 1,053,298.87 × 169,720.10
  4. Step 4: Simplify right side
    702,199.21x = 178,765,989,546.29
  5. Step 5: Solve for x
    x = 178,765,989,546.29/702,199.21
  6. Step 6: Final answer
    x = 254,580.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.