Home / 340,837.50-470,359.02-187,881.57

Finding the Fourth Proportional to 340,837.50, 470,359.02 and 187,881.57

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Solution

The fourth proportional to 340,837.50, 470,359.02 and 187,881.57 is: 259,278.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,837.50 : 470,359.02 = 187,881.57 : x
  2. Step 2: Convert to fraction form
    340,837.50/470,359.02 = 187,881.57/x
  3. Step 3: Cross multiply
    340,837.50x = 470,359.02 × 187,881.57
  4. Step 4: Simplify right side
    340,837.50x = 88,371,791,141.26
  5. Step 5: Solve for x
    x = 88,371,791,141.26/340,837.50
  6. Step 6: Final answer
    x = 259,278.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.