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Finding the Fourth Proportional to 651,040.64, 976,586.88 and 201,808.16

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Solution

The fourth proportional to 651,040.64, 976,586.88 and 201,808.16 is: 302,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,040.64 : 976,586.88 = 201,808.16 : x
  2. Step 2: Convert to fraction form
    651,040.64/976,586.88 = 201,808.16/x
  3. Step 3: Cross multiply
    651,040.64x = 976,586.88 × 201,808.16
  4. Step 4: Simplify right side
    651,040.64x = 197,083,201,332.94
  5. Step 5: Solve for x
    x = 197,083,201,332.94/651,040.64
  6. Step 6: Final answer
    x = 302,720.27

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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.