Home / 307,094.14-423,798.78-178,033.06

Finding the Fourth Proportional to 307,094.14, 423,798.78 and 178,033.06

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Solution

The fourth proportional to 307,094.14, 423,798.78 and 178,033.06 is: 245,690.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,094.14 : 423,798.78 = 178,033.06 : x
  2. Step 2: Convert to fraction form
    307,094.14/423,798.78 = 178,033.06/x
  3. Step 3: Cross multiply
    307,094.14x = 423,798.78 × 178,033.06
  4. Step 4: Simplify right side
    307,094.14x = 75,450,193,627.67
  5. Step 5: Solve for x
    x = 75,450,193,627.67/307,094.14
  6. Step 6: Final answer
    x = 245,690.76

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1.5x scale

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.