Home / 554,558.30-831,837.59-155,257.89

Finding the Fourth Proportional to 554,558.30, 831,837.59 and 155,257.89

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Solution

The fourth proportional to 554,558.30, 831,837.59 and 155,257.89 is: 232,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,558.30 : 831,837.59 = 155,257.89 : x
  2. Step 2: Convert to fraction form
    554,558.30/831,837.59 = 155,257.89/x
  3. Step 3: Cross multiply
    554,558.30x = 831,837.59 × 155,257.89
  4. Step 4: Simplify right side
    554,558.30x = 129,149,348,269.80
  5. Step 5: Solve for x
    x = 129,149,348,269.80/554,558.30
  6. Step 6: Final answer
    x = 232,886.87

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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.