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Finding the Fourth Proportional to 475,810.94, 656,558.39 and 271,875.08

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Solution

The fourth proportional to 475,810.94, 656,558.39 and 271,875.08 is: 375,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,810.94 : 656,558.39 = 271,875.08 : x
  2. Step 2: Convert to fraction form
    475,810.94/656,558.39 = 271,875.08/x
  3. Step 3: Cross multiply
    475,810.94x = 656,558.39 × 271,875.08
  4. Step 4: Simplify right side
    475,810.94x = 178,501,867,127.01
  5. Step 5: Solve for x
    x = 178,501,867,127.01/475,810.94
  6. Step 6: Final answer
    x = 375,152.93

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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.