Home / 382,389.30-573,067.28-145,602.81

Finding the Fourth Proportional to 382,389.30, 573,067.28 and 145,602.81

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Solution

The fourth proportional to 382,389.30, 573,067.28 and 145,602.81 is: 218,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,389.30 : 573,067.28 = 145,602.81 : x
  2. Step 2: Convert to fraction form
    382,389.30/573,067.28 = 145,602.81/x
  3. Step 3: Cross multiply
    382,389.30x = 573,067.28 × 145,602.81
  4. Step 4: Simplify right side
    382,389.30x = 83,440,208,212.94
  5. Step 5: Solve for x
    x = 83,440,208,212.94/382,389.30
  6. Step 6: Final answer
    x = 218,207.48

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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.