Home / 427,942.64-590,581.08-258,173.12

Finding the Fourth Proportional to 427,942.64, 590,581.08 and 258,173.12

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Solution

The fourth proportional to 427,942.64, 590,581.08 and 258,173.12 is: 356,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,942.64 : 590,581.08 = 258,173.12 : x
  2. Step 2: Convert to fraction form
    427,942.64/590,581.08 = 258,173.12/x
  3. Step 3: Cross multiply
    427,942.64x = 590,581.08 × 258,173.12
  4. Step 4: Simplify right side
    427,942.64x = 152,472,160,036.57
  5. Step 5: Solve for x
    x = 152,472,160,036.57/427,942.64
  6. Step 6: Final answer
    x = 356,291.11

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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.