Home / 253,294.02-379,565.03-140,819.51

Finding the Fourth Proportional to 253,294.02, 379,565.03 and 140,819.51

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Solution

The fourth proportional to 253,294.02, 379,565.03 and 140,819.51 is: 211,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,294.02 : 379,565.03 = 140,819.51 : x
  2. Step 2: Convert to fraction form
    253,294.02/379,565.03 = 140,819.51/x
  3. Step 3: Cross multiply
    253,294.02x = 379,565.03 × 140,819.51
  4. Step 4: Simplify right side
    253,294.02x = 53,450,158,935.81
  5. Step 5: Solve for x
    x = 53,450,158,935.81/253,294.02
  6. Step 6: Final answer
    x = 211,020.22

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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.