Home / 427,941.64-590,579.70-258,172.12

Finding the Fourth Proportional to 427,941.64, 590,579.70 and 258,172.12

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Solution

The fourth proportional to 427,941.64, 590,579.70 and 258,172.12 is: 356,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,941.64 : 590,579.70 = 258,172.12 : x
  2. Step 2: Convert to fraction form
    427,941.64/590,579.70 = 258,172.12/x
  3. Step 3: Cross multiply
    427,941.64x = 590,579.70 × 258,172.12
  4. Step 4: Simplify right side
    427,941.64x = 152,471,213,177.96
  5. Step 5: Solve for x
    x = 152,471,213,177.96/427,941.64
  6. Step 6: Final answer
    x = 356,289.73

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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.