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Finding the Fourth Proportional to 202,688.10, 279,788.45 and 181,430.46

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Solution

The fourth proportional to 202,688.10, 279,788.45 and 181,430.46 is: 250,444.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,688.10 : 279,788.45 = 181,430.46 : x
  2. Step 2: Convert to fraction form
    202,688.10/279,788.45 = 181,430.46/x
  3. Step 3: Cross multiply
    202,688.10x = 279,788.45 × 181,430.46
  4. Step 4: Simplify right side
    202,688.10x = 50,762,146,279.03
  5. Step 5: Solve for x
    x = 50,762,146,279.03/202,688.10
  6. Step 6: Final answer
    x = 250,444.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.