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Finding the Fourth Proportional to 405,982.08, 609,009.03 and 106,461.63

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Solution

The fourth proportional to 405,982.08, 609,009.03 and 106,461.63 is: 159,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,982.08 : 609,009.03 = 106,461.63 : x
  2. Step 2: Convert to fraction form
    405,982.08/609,009.03 = 106,461.63/x
  3. Step 3: Cross multiply
    405,982.08x = 609,009.03 × 106,461.63
  4. Step 4: Simplify right side
    405,982.08x = 64,836,094,018.52
  5. Step 5: Solve for x
    x = 64,836,094,018.52/405,982.08
  6. Step 6: Final answer
    x = 159,701.86

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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.