Home / 229,890.98-317,395.31-157,415.15

Finding the Fourth Proportional to 229,890.98, 317,395.31 and 157,415.15

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Solution

The fourth proportional to 229,890.98, 317,395.31 and 157,415.15 is: 217,332.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,890.98 : 317,395.31 = 157,415.15 : x
  2. Step 2: Convert to fraction form
    229,890.98/317,395.31 = 157,415.15/x
  3. Step 3: Cross multiply
    229,890.98x = 317,395.31 × 157,415.15
  4. Step 4: Simplify right side
    229,890.98x = 49,962,827,958.89
  5. Step 5: Solve for x
    x = 49,962,827,958.89/229,890.98
  6. Step 6: Final answer
    x = 217,332.71

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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.