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Finding the Fourth Proportional to 265,792.30, 398,980.05 and 166,065.10

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Solution

The fourth proportional to 265,792.30, 398,980.05 and 166,065.10 is: 249,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,792.30 : 398,980.05 = 166,065.10 : x
  2. Step 2: Convert to fraction form
    265,792.30/398,980.05 = 166,065.10/x
  3. Step 3: Cross multiply
    265,792.30x = 398,980.05 × 166,065.10
  4. Step 4: Simplify right side
    265,792.30x = 66,256,661,901.26
  5. Step 5: Solve for x
    x = 66,256,661,901.26/265,792.30
  6. Step 6: Final answer
    x = 249,279.84

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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.