Home / 316,285.28-436,484.58-173,045.33

Finding the Fourth Proportional to 316,285.28, 436,484.58 and 173,045.33

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Solution

The fourth proportional to 316,285.28, 436,484.58 and 173,045.33 is: 238,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,285.28 : 436,484.58 = 173,045.33 : x
  2. Step 2: Convert to fraction form
    316,285.28/436,484.58 = 173,045.33/x
  3. Step 3: Cross multiply
    316,285.28x = 436,484.58 × 173,045.33
  4. Step 4: Simplify right side
    316,285.28x = 75,531,616,003.59
  5. Step 5: Solve for x
    x = 75,531,616,003.59/316,285.28
  6. Step 6: Final answer
    x = 238,808.51

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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.