Home / 290,026.34-400,239.08-162,704.67

Finding the Fourth Proportional to 290,026.34, 400,239.08 and 162,704.67

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Solution

The fourth proportional to 290,026.34, 400,239.08 and 162,704.67 is: 224,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,026.34 : 400,239.08 = 162,704.67 : x
  2. Step 2: Convert to fraction form
    290,026.34/400,239.08 = 162,704.67/x
  3. Step 3: Cross multiply
    290,026.34x = 400,239.08 × 162,704.67
  4. Step 4: Simplify right side
    290,026.34x = 65,120,765,728.23
  5. Step 5: Solve for x
    x = 65,120,765,728.23/290,026.34
  6. Step 6: Final answer
    x = 224,533.97

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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.