Home / 515,301.84-772,869.60-141,237.36

Finding the Fourth Proportional to 515,301.84, 772,869.60 and 141,237.36

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Solution

The fourth proportional to 515,301.84, 772,869.60 and 141,237.36 is: 211,833.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,301.84 : 772,869.60 = 141,237.36 : x
  2. Step 2: Convert to fraction form
    515,301.84/772,869.60 = 141,237.36/x
  3. Step 3: Cross multiply
    515,301.84x = 772,869.60 × 141,237.36
  4. Step 4: Simplify right side
    515,301.84x = 109,158,061,928.26
  5. Step 5: Solve for x
    x = 109,158,061,928.26/515,301.84
  6. Step 6: Final answer
    x = 211,833.25

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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.