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Finding the Fourth Proportional to 265,852.96, 366,864.14 and 158,420.60

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Solution

The fourth proportional to 265,852.96, 366,864.14 and 158,420.60 is: 218,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,852.96 : 366,864.14 = 158,420.60 : x
  2. Step 2: Convert to fraction form
    265,852.96/366,864.14 = 158,420.60/x
  3. Step 3: Cross multiply
    265,852.96x = 366,864.14 × 158,420.60
  4. Step 4: Simplify right side
    265,852.96x = 58,118,837,177.28
  5. Step 5: Solve for x
    x = 58,118,837,177.28/265,852.96
  6. Step 6: Final answer
    x = 218,612.71

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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.