Home / 268,784.46-370,915.09-152,519.10

Finding the Fourth Proportional to 268,784.46, 370,915.09 and 152,519.10

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Solution

The fourth proportional to 268,784.46, 370,915.09 and 152,519.10 is: 210,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,784.46 : 370,915.09 = 152,519.10 : x
  2. Step 2: Convert to fraction form
    268,784.46/370,915.09 = 152,519.10/x
  3. Step 3: Cross multiply
    268,784.46x = 370,915.09 × 152,519.10
  4. Step 4: Simplify right side
    268,784.46x = 56,571,635,703.22
  5. Step 5: Solve for x
    x = 56,571,635,703.22/268,784.46
  6. Step 6: Final answer
    x = 210,472.12

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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.