Home / 353,730.60-529,818.30-213,244.20

Finding the Fourth Proportional to 353,730.60, 529,818.30 and 213,244.20

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Solution

The fourth proportional to 353,730.60, 529,818.30 and 213,244.20 is: 319,397.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,730.60 : 529,818.30 = 213,244.20 : x
  2. Step 2: Convert to fraction form
    353,730.60/529,818.30 = 213,244.20/x
  3. Step 3: Cross multiply
    353,730.60x = 529,818.30 × 213,244.20
  4. Step 4: Simplify right side
    353,730.60x = 112,980,679,528.86
  5. Step 5: Solve for x
    x = 112,980,679,528.86/353,730.60
  6. Step 6: Final answer
    x = 319,397.53

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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.