Home / 226,283.12-312,236.01-130,771.38

Finding the Fourth Proportional to 226,283.12, 312,236.01 and 130,771.38

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Solution

The fourth proportional to 226,283.12, 312,236.01 and 130,771.38 is: 180,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,283.12 : 312,236.01 = 130,771.38 : x
  2. Step 2: Convert to fraction form
    226,283.12/312,236.01 = 130,771.38/x
  3. Step 3: Cross multiply
    226,283.12x = 312,236.01 × 130,771.38
  4. Step 4: Simplify right side
    226,283.12x = 40,831,533,913.39
  5. Step 5: Solve for x
    x = 40,831,533,913.39/226,283.12
  6. Step 6: Final answer
    x = 180,444.46

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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.