Home / 270,264.21-405,462.39-190,457.85

Finding the Fourth Proportional to 270,264.21, 405,462.39 and 190,457.85

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Solution

The fourth proportional to 270,264.21, 405,462.39 and 190,457.85 is: 285,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,264.21 : 405,462.39 = 190,457.85 : x
  2. Step 2: Convert to fraction form
    270,264.21/405,462.39 = 190,457.85/x
  3. Step 3: Cross multiply
    270,264.21x = 405,462.39 × 190,457.85
  4. Step 4: Simplify right side
    270,264.21x = 77,223,495,055.26
  5. Step 5: Solve for x
    x = 77,223,495,055.26/270,264.21
  6. Step 6: Final answer
    x = 285,733.34

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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.