Home / 401,771.32-602,637.50-149,101.07

Finding the Fourth Proportional to 401,771.32, 602,637.50 and 149,101.07

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Solution

The fourth proportional to 401,771.32, 602,637.50 and 149,101.07 is: 223,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,771.32 : 602,637.50 = 149,101.07 : x
  2. Step 2: Convert to fraction form
    401,771.32/602,637.50 = 149,101.07/x
  3. Step 3: Cross multiply
    401,771.32x = 602,637.50 × 149,101.07
  4. Step 4: Simplify right side
    401,771.32x = 89,853,893,431.69
  5. Step 5: Solve for x
    x = 89,853,893,431.69/401,771.32
  6. Step 6: Final answer
    x = 223,644.37

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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.