Home / 258,790.37-357,048.27-145,591.25

Finding the Fourth Proportional to 258,790.37, 357,048.27 and 145,591.25

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Solution

The fourth proportional to 258,790.37, 357,048.27 and 145,591.25 is: 200,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,790.37 : 357,048.27 = 145,591.25 : x
  2. Step 2: Convert to fraction form
    258,790.37/357,048.27 = 145,591.25/x
  3. Step 3: Cross multiply
    258,790.37x = 357,048.27 × 145,591.25
  4. Step 4: Simplify right side
    258,790.37x = 51,983,102,154.40
  5. Step 5: Solve for x
    x = 51,983,102,154.40/258,790.37
  6. Step 6: Final answer
    x = 200,869.54

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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.