Home / 349,741.44-524,612.16-139,426.56

Finding the Fourth Proportional to 349,741.44, 524,612.16 and 139,426.56

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Solution

The fourth proportional to 349,741.44, 524,612.16 and 139,426.56 is: 209,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,741.44 : 524,612.16 = 139,426.56 : x
  2. Step 2: Convert to fraction form
    349,741.44/524,612.16 = 139,426.56/x
  3. Step 3: Cross multiply
    349,741.44x = 524,612.16 × 139,426.56
  4. Step 4: Simplify right side
    349,741.44x = 73,144,868,802.97
  5. Step 5: Solve for x
    x = 73,144,868,802.97/349,741.44
  6. Step 6: Final answer
    x = 209,139.84

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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.