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Finding the Fourth Proportional to 630,014.22, 945,004.32 and 203,549.22

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Solution

The fourth proportional to 630,014.22, 945,004.32 and 203,549.22 is: 305,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,014.22 : 945,004.32 = 203,549.22 : x
  2. Step 2: Convert to fraction form
    630,014.22/945,004.32 = 203,549.22/x
  3. Step 3: Cross multiply
    630,014.22x = 945,004.32 × 203,549.22
  4. Step 4: Simplify right side
    630,014.22x = 192,354,892,232.63
  5. Step 5: Solve for x
    x = 192,354,892,232.63/630,014.22
  6. Step 6: Final answer
    x = 305,318.33

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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.