Home / 345,575.03-477,188.11-216,730.35

Finding the Fourth Proportional to 345,575.03, 477,188.11 and 216,730.35

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Solution

The fourth proportional to 345,575.03, 477,188.11 and 216,730.35 is: 299,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,575.03 : 477,188.11 = 216,730.35 : x
  2. Step 2: Convert to fraction form
    345,575.03/477,188.11 = 216,730.35/x
  3. Step 3: Cross multiply
    345,575.03x = 477,188.11 × 216,730.35
  4. Step 4: Simplify right side
    345,575.03x = 103,421,146,367.05
  5. Step 5: Solve for x
    x = 103,421,146,367.05/345,575.03
  6. Step 6: Final answer
    x = 299,272.63

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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.