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Finding the Fourth Proportional to 292,998.58, 439,581.08 and 93,334.36

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Solution

The fourth proportional to 292,998.58, 439,581.08 and 93,334.36 is: 140,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,998.58 : 439,581.08 = 93,334.36 : x
  2. Step 2: Convert to fraction form
    292,998.58/439,581.08 = 93,334.36/x
  3. Step 3: Cross multiply
    292,998.58x = 439,581.08 × 93,334.36
  4. Step 4: Simplify right side
    292,998.58x = 41,028,020,057.98
  5. Step 5: Solve for x
    x = 41,028,020,057.98/292,998.58
  6. Step 6: Final answer
    x = 140,028.05

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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.