Home / 290,027.34-400,240.46-162,705.67

Finding the Fourth Proportional to 290,027.34, 400,240.46 and 162,705.67

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Solution

The fourth proportional to 290,027.34, 400,240.46 and 162,705.67 is: 224,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,027.34 : 400,240.46 = 162,705.67 : x
  2. Step 2: Convert to fraction form
    290,027.34/400,240.46 = 162,705.67/x
  3. Step 3: Cross multiply
    290,027.34x = 400,240.46 × 162,705.67
  4. Step 4: Simplify right side
    290,027.34x = 65,121,392,205.41
  5. Step 5: Solve for x
    x = 65,121,392,205.41/290,027.34
  6. Step 6: Final answer
    x = 224,535.36

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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.