Home / 312,733.29-431,574.07-169,495.72

Finding the Fourth Proportional to 312,733.29, 431,574.07 and 169,495.72

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Solution

The fourth proportional to 312,733.29, 431,574.07 and 169,495.72 is: 233,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,733.29 : 431,574.07 = 169,495.72 : x
  2. Step 2: Convert to fraction form
    312,733.29/431,574.07 = 169,495.72/x
  3. Step 3: Cross multiply
    312,733.29x = 431,574.07 × 169,495.72
  4. Step 4: Simplify right side
    312,733.29x = 73,149,956,880.50
  5. Step 5: Solve for x
    x = 73,149,956,880.50/312,733.29
  6. Step 6: Final answer
    x = 233,905.25

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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.