Home / 453,720.11-680,528.32-121,322.03

Finding the Fourth Proportional to 453,720.11, 680,528.32 and 121,322.03

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Solution

The fourth proportional to 453,720.11, 680,528.32 and 121,322.03 is: 181,969.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,720.11 : 680,528.32 = 121,322.03 : x
  2. Step 2: Convert to fraction form
    453,720.11/680,528.32 = 121,322.03/x
  3. Step 3: Cross multiply
    453,720.11x = 680,528.32 × 121,322.03
  4. Step 4: Simplify right side
    453,720.11x = 82,563,077,254.89
  5. Step 5: Solve for x
    x = 82,563,077,254.89/453,720.11
  6. Step 6: Final answer
    x = 181,969.18

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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.