Home / 340,927.74-470,483.40-187,971.42

Finding the Fourth Proportional to 340,927.74, 470,483.40 and 187,971.42

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Solution

The fourth proportional to 340,927.74, 470,483.40 and 187,971.42 is: 259,402.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,927.74 : 470,483.40 = 187,971.42 : x
  2. Step 2: Convert to fraction form
    340,927.74/470,483.40 = 187,971.42/x
  3. Step 3: Cross multiply
    340,927.74x = 470,483.40 × 187,971.42
  4. Step 4: Simplify right side
    340,927.74x = 88,437,432,784.43
  5. Step 5: Solve for x
    x = 88,437,432,784.43/340,927.74
  6. Step 6: Final answer
    x = 259,402.28

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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.