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Finding the Fourth Proportional to 630,677.34, 945,453.51 and 231,225.03

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Solution

The fourth proportional to 630,677.34, 945,453.51 and 231,225.03 is: 346,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,677.34 : 945,453.51 = 231,225.03 : x
  2. Step 2: Convert to fraction form
    630,677.34/945,453.51 = 231,225.03/x
  3. Step 3: Cross multiply
    630,677.34x = 945,453.51 × 231,225.03
  4. Step 4: Simplify right side
    630,677.34x = 218,612,516,213.36
  5. Step 5: Solve for x
    x = 218,612,516,213.36/630,677.34
  6. Step 6: Final answer
    x = 346,631.32

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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.