Home / 316,536.09-436,861.41-180,538.87

Finding the Fourth Proportional to 316,536.09, 436,861.41 and 180,538.87

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Solution

The fourth proportional to 316,536.09, 436,861.41 and 180,538.87 is: 249,167.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,536.09 : 436,861.41 = 180,538.87 : x
  2. Step 2: Convert to fraction form
    316,536.09/436,861.41 = 180,538.87/x
  3. Step 3: Cross multiply
    316,536.09x = 436,861.41 × 180,538.87
  4. Step 4: Simplify right side
    316,536.09x = 78,870,463,081.08
  5. Step 5: Solve for x
    x = 78,870,463,081.08/316,536.09
  6. Step 6: Final answer
    x = 249,167.36

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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.