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Finding the Fourth Proportional to 295,489.46, 410,528.42 and 291,946.52

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Solution

The fourth proportional to 295,489.46, 410,528.42 and 291,946.52 is: 405,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,489.46 : 410,528.42 = 291,946.52 : x
  2. Step 2: Convert to fraction form
    295,489.46/410,528.42 = 291,946.52/x
  3. Step 3: Cross multiply
    295,489.46x = 410,528.42 × 291,946.52
  4. Step 4: Simplify right side
    295,489.46x = 119,852,343,580.10
  5. Step 5: Solve for x
    x = 119,852,343,580.10/295,489.46
  6. Step 6: Final answer
    x = 405,606.15

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.