Home / 371,677.03-557,492.99-131,802.80

Finding the Fourth Proportional to 371,677.03, 557,492.99 and 131,802.80

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Solution

The fourth proportional to 371,677.03, 557,492.99 and 131,802.80 is: 197,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,677.03 : 557,492.99 = 131,802.80 : x
  2. Step 2: Convert to fraction form
    371,677.03/557,492.99 = 131,802.80/x
  3. Step 3: Cross multiply
    371,677.03x = 557,492.99 × 131,802.80
  4. Step 4: Simplify right side
    371,677.03x = 73,479,133,615.89
  5. Step 5: Solve for x
    x = 73,479,133,615.89/371,677.03
  6. Step 6: Final answer
    x = 197,696.19

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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.