Home / 253,571.04-380,378.16-66,582

Finding the Fourth Proportional to 253,571.04, 380,378.16 and 66,582

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Solution

The fourth proportional to 253,571.04, 380,378.16 and 66,582 is: 99,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,571.04 : 380,378.16 = 66,582 : x
  2. Step 2: Convert to fraction form
    253,571.04/380,378.16 = 66,582/x
  3. Step 3: Cross multiply
    253,571.04x = 380,378.16 × 66,582
  4. Step 4: Simplify right side
    253,571.04x = 25,326,338,649.12
  5. Step 5: Solve for x
    x = 25,326,338,649.12/253,571.04
  6. Step 6: Final answer
    x = 99,878.67

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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.