Home / 290,650.20-401,050.62-163,325.40

Finding the Fourth Proportional to 290,650.20, 401,050.62 and 163,325.40

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Solution

The fourth proportional to 290,650.20, 401,050.62 and 163,325.40 is: 225,362.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,650.20 : 401,050.62 = 163,325.40 : x
  2. Step 2: Convert to fraction form
    290,650.20/401,050.62 = 163,325.40/x
  3. Step 3: Cross multiply
    290,650.20x = 401,050.62 × 163,325.40
  4. Step 4: Simplify right side
    290,650.20x = 65,501,752,931.75
  5. Step 5: Solve for x
    x = 65,501,752,931.75/290,650.20
  6. Step 6: Final answer
    x = 225,362.83

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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.