Home / 486,032.96-729,172.53-149,090.83

Finding the Fourth Proportional to 486,032.96, 729,172.53 and 149,090.83

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Solution

The fourth proportional to 486,032.96, 729,172.53 and 149,090.83 is: 223,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,032.96 : 729,172.53 = 149,090.83 : x
  2. Step 2: Convert to fraction form
    486,032.96/729,172.53 = 149,090.83/x
  3. Step 3: Cross multiply
    486,032.96x = 729,172.53 × 149,090.83
  4. Step 4: Simplify right side
    486,032.96x = 108,712,935,887.97
  5. Step 5: Solve for x
    x = 108,712,935,887.97/486,032.96
  6. Step 6: Final answer
    x = 223,674.00

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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.