Home / 399,260.42-598,392.23-199,637.89

Finding the Fourth Proportional to 399,260.42, 598,392.23 and 199,637.89

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Solution

The fourth proportional to 399,260.42, 598,392.23 and 199,637.89 is: 299,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,260.42 : 598,392.23 = 199,637.89 : x
  2. Step 2: Convert to fraction form
    399,260.42/598,392.23 = 199,637.89/x
  3. Step 3: Cross multiply
    399,260.42x = 598,392.23 × 199,637.89
  4. Step 4: Simplify right side
    399,260.42x = 119,461,762,189.60
  5. Step 5: Solve for x
    x = 119,461,762,189.60/399,260.42
  6. Step 6: Final answer
    x = 299,207.63

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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.