Home / 316,141.38-436,274.15-170,946.18

Finding the Fourth Proportional to 316,141.38, 436,274.15 and 170,946.18

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Solution

The fourth proportional to 316,141.38, 436,274.15 and 170,946.18 is: 235,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,141.38 : 436,274.15 = 170,946.18 : x
  2. Step 2: Convert to fraction form
    316,141.38/436,274.15 = 170,946.18/x
  3. Step 3: Cross multiply
    316,141.38x = 436,274.15 × 170,946.18
  4. Step 4: Simplify right side
    316,141.38x = 74,579,398,520.52
  5. Step 5: Solve for x
    x = 74,579,398,520.52/316,141.38
  6. Step 6: Final answer
    x = 235,905.21

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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.