Home / 265,941.48-398,795.40-99,612.84

Finding the Fourth Proportional to 265,941.48, 398,795.40 and 99,612.84

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Solution

The fourth proportional to 265,941.48, 398,795.40 and 99,612.84 is: 149,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,941.48 : 398,795.40 = 99,612.84 : x
  2. Step 2: Convert to fraction form
    265,941.48/398,795.40 = 99,612.84/x
  3. Step 3: Cross multiply
    265,941.48x = 398,795.40 × 99,612.84
  4. Step 4: Simplify right side
    265,941.48x = 39,725,142,372.94
  5. Step 5: Solve for x
    x = 39,725,142,372.94/265,941.48
  6. Step 6: Final answer
    x = 149,375.50

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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.