Home / 229,985.81-317,245.89-149,466.96

Finding the Fourth Proportional to 229,985.81, 317,245.89 and 149,466.96

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Solution

The fourth proportional to 229,985.81, 317,245.89 and 149,466.96 is: 206,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,985.81 : 317,245.89 = 149,466.96 : x
  2. Step 2: Convert to fraction form
    229,985.81/317,245.89 = 149,466.96/x
  3. Step 3: Cross multiply
    229,985.81x = 317,245.89 × 149,466.96
  4. Step 4: Simplify right side
    229,985.81x = 47,417,778,750.79
  5. Step 5: Solve for x
    x = 47,417,778,750.79/229,985.81
  6. Step 6: Final answer
    x = 206,176.98

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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.