Home / 316,268.48-436,455.42-173,030.91

Finding the Fourth Proportional to 316,268.48, 436,455.42 and 173,030.91

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Solution

The fourth proportional to 316,268.48, 436,455.42 and 173,030.91 is: 238,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,268.48 : 436,455.42 = 173,030.91 : x
  2. Step 2: Convert to fraction form
    316,268.48/436,455.42 = 173,030.91/x
  3. Step 3: Cross multiply
    316,268.48x = 436,455.42 × 173,030.91
  4. Step 4: Simplify right side
    316,268.48x = 75,520,277,848.17
  5. Step 5: Solve for x
    x = 75,520,277,848.17/316,268.48
  6. Step 6: Final answer
    x = 238,785.35

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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.