Home / 315,022.13-434,741.48-179,061.81

Finding the Fourth Proportional to 315,022.13, 434,741.48 and 179,061.81

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Solution

The fourth proportional to 315,022.13, 434,741.48 and 179,061.81 is: 247,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,022.13 : 434,741.48 = 179,061.81 : x
  2. Step 2: Convert to fraction form
    315,022.13/434,741.48 = 179,061.81/x
  3. Step 3: Cross multiply
    315,022.13x = 434,741.48 × 179,061.81
  4. Step 4: Simplify right side
    315,022.13x = 77,845,595,395.57
  5. Step 5: Solve for x
    x = 77,845,595,395.57/315,022.13
  6. Step 6: Final answer
    x = 247,111.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.