Home / 316,143.03-436,276.40-170,947.79

Finding the Fourth Proportional to 316,143.03, 436,276.40 and 170,947.79

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Solution

The fourth proportional to 316,143.03, 436,276.40 and 170,947.79 is: 235,907.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,143.03 : 436,276.40 = 170,947.79 : x
  2. Step 2: Convert to fraction form
    316,143.03/436,276.40 = 170,947.79/x
  3. Step 3: Cross multiply
    316,143.03x = 436,276.40 × 170,947.79
  4. Step 4: Simplify right side
    316,143.03x = 74,580,485,554.42
  5. Step 5: Solve for x
    x = 74,580,485,554.42/316,143.03
  6. Step 6: Final answer
    x = 235,907.42

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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.