Home / 346,981.96-478,838.82-203,743.72

Finding the Fourth Proportional to 346,981.96, 478,838.82 and 203,743.72

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Solution

The fourth proportional to 346,981.96, 478,838.82 and 203,743.72 is: 281,168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,981.96 : 478,838.82 = 203,743.72 : x
  2. Step 2: Convert to fraction form
    346,981.96/478,838.82 = 203,743.72/x
  3. Step 3: Cross multiply
    346,981.96x = 478,838.82 × 203,743.72
  4. Step 4: Simplify right side
    346,981.96x = 97,560,402,467.21
  5. Step 5: Solve for x
    x = 97,560,402,467.21/346,981.96
  6. Step 6: Final answer
    x = 281,168.52

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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.