Home / 263,428.32-363,531.48-142,569.84

Finding the Fourth Proportional to 263,428.32, 363,531.48 and 142,569.84

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Solution

The fourth proportional to 263,428.32, 363,531.48 and 142,569.84 is: 196,746.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,428.32 : 363,531.48 = 142,569.84 : x
  2. Step 2: Convert to fraction form
    263,428.32/363,531.48 = 142,569.84/x
  3. Step 3: Cross multiply
    263,428.32x = 363,531.48 × 142,569.84
  4. Step 4: Simplify right side
    263,428.32x = 51,828,624,938.56
  5. Step 5: Solve for x
    x = 51,828,624,938.56/263,428.32
  6. Step 6: Final answer
    x = 196,746.59

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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.