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Finding the Fourth Proportional to 265,595.36, 366,521.65 and 144,736.65

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Solution

The fourth proportional to 265,595.36, 366,521.65 and 144,736.65 is: 199,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,595.36 : 366,521.65 = 144,736.65 : x
  2. Step 2: Convert to fraction form
    265,595.36/366,521.65 = 144,736.65/x
  3. Step 3: Cross multiply
    265,595.36x = 366,521.65 × 144,736.65
  4. Step 4: Simplify right side
    265,595.36x = 53,049,115,411.63
  5. Step 5: Solve for x
    x = 53,049,115,411.63/265,595.36
  6. Step 6: Final answer
    x = 199,736.61

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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.