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Finding the Fourth Proportional to 346,984.96, 478,843 and 203,746.72

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Solution

The fourth proportional to 346,984.96, 478,843 and 203,746.72 is: 281,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,984.96 : 478,843 = 203,746.72 : x
  2. Step 2: Convert to fraction form
    346,984.96/478,843 = 203,746.72/x
  3. Step 3: Cross multiply
    346,984.96x = 478,843 × 203,746.72
  4. Step 4: Simplify right side
    346,984.96x = 97,562,690,644.96
  5. Step 5: Solve for x
    x = 97,562,690,644.96/346,984.96
  6. Step 6: Final answer
    x = 281,172.68

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1.5x scale

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.