Home / 316,457.96-436,708.18-171,260.36

Finding the Fourth Proportional to 316,457.96, 436,708.18 and 171,260.36

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Solution

The fourth proportional to 316,457.96, 436,708.18 and 171,260.36 is: 236,337.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,457.96 : 436,708.18 = 171,260.36 : x
  2. Step 2: Convert to fraction form
    316,457.96/436,708.18 = 171,260.36/x
  3. Step 3: Cross multiply
    316,457.96x = 436,708.18 × 171,260.36
  4. Step 4: Simplify right side
    316,457.96x = 74,790,800,121.74
  5. Step 5: Solve for x
    x = 74,790,800,121.74/316,457.96
  6. Step 6: Final answer
    x = 236,337.24

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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.