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Finding the Fourth Proportional to 433,018.48, 650,116.73 and 243,612.13

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Solution

The fourth proportional to 433,018.48, 650,116.73 and 243,612.13 is: 365,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,018.48 : 650,116.73 = 243,612.13 : x
  2. Step 2: Convert to fraction form
    433,018.48/650,116.73 = 243,612.13/x
  3. Step 3: Cross multiply
    433,018.48x = 650,116.73 × 243,612.13
  4. Step 4: Simplify right side
    433,018.48x = 158,376,321,343.94
  5. Step 5: Solve for x
    x = 158,376,321,343.94/433,018.48
  6. Step 6: Final answer
    x = 365,749.57

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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.