Home / 315,263.07-435,072.60-179,316.59

Finding the Fourth Proportional to 315,263.07, 435,072.60 and 179,316.59

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Solution

The fourth proportional to 315,263.07, 435,072.60 and 179,316.59 is: 247,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,263.07 : 435,072.60 = 179,316.59 : x
  2. Step 2: Convert to fraction form
    315,263.07/435,072.60 = 179,316.59/x
  3. Step 3: Cross multiply
    315,263.07x = 435,072.60 × 179,316.59
  4. Step 4: Simplify right side
    315,263.07x = 78,015,732,859.07
  5. Step 5: Solve for x
    x = 78,015,732,859.07/315,263.07
  6. Step 6: Final answer
    x = 247,462.33

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1.5x scale

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.