Home / 253,897.49-380,284.67-103,682.26

Finding the Fourth Proportional to 253,897.49, 380,284.67 and 103,682.26

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Solution

The fourth proportional to 253,897.49, 380,284.67 and 103,682.26 is: 155,294.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,897.49 : 380,284.67 = 103,682.26 : x
  2. Step 2: Convert to fraction form
    253,897.49/380,284.67 = 103,682.26/x
  3. Step 3: Cross multiply
    253,897.49x = 380,284.67 × 103,682.26
  4. Step 4: Simplify right side
    253,897.49x = 39,428,774,028.95
  5. Step 5: Solve for x
    x = 39,428,774,028.95/253,897.49
  6. Step 6: Final answer
    x = 155,294.07

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1.5x scale

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.