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Finding the Fourth Proportional to 611,650.28, 917,588.36 and 201,342.78

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Solution

The fourth proportional to 611,650.28, 917,588.36 and 201,342.78 is: 302,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,650.28 : 917,588.36 = 201,342.78 : x
  2. Step 2: Convert to fraction form
    611,650.28/917,588.36 = 201,342.78/x
  3. Step 3: Cross multiply
    611,650.28x = 917,588.36 × 201,342.78
  4. Step 4: Simplify right side
    611,650.28x = 184,749,791,801.40
  5. Step 5: Solve for x
    x = 184,749,791,801.40/611,650.28
  6. Step 6: Final answer
    x = 302,051.35

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1.5x scale

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.