Home / 356,389.36-534,663.83-119,725.58

Finding the Fourth Proportional to 356,389.36, 534,663.83 and 119,725.58

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Solution

The fourth proportional to 356,389.36, 534,663.83 and 119,725.58 is: 179,615.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,389.36 : 534,663.83 = 119,725.58 : x
  2. Step 2: Convert to fraction form
    356,389.36/534,663.83 = 119,725.58/x
  3. Step 3: Cross multiply
    356,389.36x = 534,663.83 × 119,725.58
  4. Step 4: Simplify right side
    356,389.36x = 64,012,938,787.74
  5. Step 5: Solve for x
    x = 64,012,938,787.74/356,389.36
  6. Step 6: Final answer
    x = 179,615.18

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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.