Home / 630,962.13-946,445.21-157,647.54

Finding the Fourth Proportional to 630,962.13, 946,445.21 and 157,647.54

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Solution

The fourth proportional to 630,962.13, 946,445.21 and 157,647.54 is: 236,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,962.13 : 946,445.21 = 157,647.54 : x
  2. Step 2: Convert to fraction form
    630,962.13/946,445.21 = 157,647.54/x
  3. Step 3: Cross multiply
    630,962.13x = 946,445.21 × 157,647.54
  4. Step 4: Simplify right side
    630,962.13x = 149,204,759,101.28
  5. Step 5: Solve for x
    x = 149,204,759,101.28/630,962.13
  6. Step 6: Final answer
    x = 236,471.81

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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.