Home / 369,915.27-554,539.67-133,091.31

Finding the Fourth Proportional to 369,915.27, 554,539.67 and 133,091.31

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Solution

The fourth proportional to 369,915.27, 554,539.67 and 133,091.31 is: 199,517.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,915.27 : 554,539.67 = 133,091.31 : x
  2. Step 2: Convert to fraction form
    369,915.27/554,539.67 = 133,091.31/x
  3. Step 3: Cross multiply
    369,915.27x = 554,539.67 × 133,091.31
  4. Step 4: Simplify right side
    369,915.27x = 73,804,411,127.27
  5. Step 5: Solve for x
    x = 73,804,411,127.27/369,915.27
  6. Step 6: Final answer
    x = 199,517.07

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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.