Home / 282,321.45-423,536.40-113,858.82

Finding the Fourth Proportional to 282,321.45, 423,536.40 and 113,858.82

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Solution

The fourth proportional to 282,321.45, 423,536.40 and 113,858.82 is: 170,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,321.45 : 423,536.40 = 113,858.82 : x
  2. Step 2: Convert to fraction form
    282,321.45/423,536.40 = 113,858.82/x
  3. Step 3: Cross multiply
    282,321.45x = 423,536.40 × 113,858.82
  4. Step 4: Simplify right side
    282,321.45x = 48,223,354,731.05
  5. Step 5: Solve for x
    x = 48,223,354,731.05/282,321.45
  6. Step 6: Final answer
    x = 170,810.10

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1.5x scale

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.