Home / 316,122.58-436,740.38-265,056.14

Finding the Fourth Proportional to 316,122.58, 436,740.38 and 265,056.14

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Solution

The fourth proportional to 316,122.58, 436,740.38 and 265,056.14 is: 366,189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,122.58 : 436,740.38 = 265,056.14 : x
  2. Step 2: Convert to fraction form
    316,122.58/436,740.38 = 265,056.14/x
  3. Step 3: Cross multiply
    316,122.58x = 436,740.38 × 265,056.14
  4. Step 4: Simplify right side
    316,122.58x = 115,760,719,304.93
  5. Step 5: Solve for x
    x = 115,760,719,304.93/316,122.58
  6. Step 6: Final answer
    x = 366,189.34

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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.