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Finding the Fourth Proportional to 340,504.12, 469,889.85 and 187,556.62

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Solution

The fourth proportional to 340,504.12, 469,889.85 and 187,556.62 is: 258,824.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,504.12 : 469,889.85 = 187,556.62 : x
  2. Step 2: Convert to fraction form
    340,504.12/469,889.85 = 187,556.62/x
  3. Step 3: Cross multiply
    340,504.12x = 469,889.85 × 187,556.62
  4. Step 4: Simplify right side
    340,504.12x = 88,130,952,038.31
  5. Step 5: Solve for x
    x = 88,130,952,038.31/340,504.12
  6. Step 6: Final answer
    x = 258,824.92

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1.5x scale

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.