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Finding the Fourth Proportional to 265,011.64, 365,722.74 and 144,159.72

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Solution

The fourth proportional to 265,011.64, 365,722.74 and 144,159.72 is: 198,944.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,011.64 : 365,722.74 = 144,159.72 : x
  2. Step 2: Convert to fraction form
    265,011.64/365,722.74 = 144,159.72/x
  3. Step 3: Cross multiply
    265,011.64x = 365,722.74 × 144,159.72
  4. Step 4: Simplify right side
    265,011.64x = 52,722,487,796.03
  5. Step 5: Solve for x
    x = 52,722,487,796.03/265,011.64
  6. Step 6: Final answer
    x = 198,944.05

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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.