Home / 229,829.84-344,154.04-129,840.72

Finding the Fourth Proportional to 229,829.84, 344,154.04 and 129,840.72

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Solution

The fourth proportional to 229,829.84, 344,154.04 and 129,840.72 is: 194,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,829.84 : 344,154.04 = 129,840.72 : x
  2. Step 2: Convert to fraction form
    229,829.84/344,154.04 = 129,840.72/x
  3. Step 3: Cross multiply
    229,829.84x = 344,154.04 × 129,840.72
  4. Step 4: Simplify right side
    229,829.84x = 44,685,208,344.51
  5. Step 5: Solve for x
    x = 44,685,208,344.51/229,829.84
  6. Step 6: Final answer
    x = 194,427.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.