Home / 347,146.84-478,853.16-229,274.50

Finding the Fourth Proportional to 347,146.84, 478,853.16 and 229,274.50

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Solution

The fourth proportional to 347,146.84, 478,853.16 and 229,274.50 is: 316,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,146.84 : 478,853.16 = 229,274.50 : x
  2. Step 2: Convert to fraction form
    347,146.84/478,853.16 = 229,274.50/x
  3. Step 3: Cross multiply
    347,146.84x = 478,853.16 × 229,274.50
  4. Step 4: Simplify right side
    347,146.84x = 109,788,815,291.78
  5. Step 5: Solve for x
    x = 109,788,815,291.78/347,146.84
  6. Step 6: Final answer
    x = 316,260.45

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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.