Home / 316,329.45-436,534.64-173,089.49

Finding the Fourth Proportional to 316,329.45, 436,534.64 and 173,089.49

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Solution

The fourth proportional to 316,329.45, 436,534.64 and 173,089.49 is: 238,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,329.45 : 436,534.64 = 173,089.49 : x
  2. Step 2: Convert to fraction form
    316,329.45/436,534.64 = 173,089.49/x
  3. Step 3: Cross multiply
    316,329.45x = 436,534.64 × 173,089.49
  4. Step 4: Simplify right side
    316,329.45x = 75,559,559,296.27
  5. Step 5: Solve for x
    x = 75,559,559,296.27/316,329.45
  6. Step 6: Final answer
    x = 238,863.50

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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.