Home / 420,336.87-630,458.73-150,454.23

Finding the Fourth Proportional to 420,336.87, 630,458.73 and 150,454.23

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Solution

The fourth proportional to 420,336.87, 630,458.73 and 150,454.23 is: 225,664.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,336.87 : 630,458.73 = 150,454.23 : x
  2. Step 2: Convert to fraction form
    420,336.87/630,458.73 = 150,454.23/x
  3. Step 3: Cross multiply
    420,336.87x = 630,458.73 × 150,454.23
  4. Step 4: Simplify right side
    420,336.87x = 94,855,182,768.93
  5. Step 5: Solve for x
    x = 94,855,182,768.93/420,336.87
  6. Step 6: Final answer
    x = 225,664.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.