Home / 318,786.66-439,915.98-175,547.48

Finding the Fourth Proportional to 318,786.66, 439,915.98 and 175,547.48

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Solution

The fourth proportional to 318,786.66, 439,915.98 and 175,547.48 is: 242,250.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,786.66 : 439,915.98 = 175,547.48 : x
  2. Step 2: Convert to fraction form
    318,786.66/439,915.98 = 175,547.48/x
  3. Step 3: Cross multiply
    318,786.66x = 439,915.98 × 175,547.48
  4. Step 4: Simplify right side
    318,786.66x = 77,226,138,623.41
  5. Step 5: Solve for x
    x = 77,226,138,623.41/318,786.66
  6. Step 6: Final answer
    x = 242,250.22

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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.