Home / 315,741.60-435,699.27-179,748.54

Finding the Fourth Proportional to 315,741.60, 435,699.27 and 179,748.54

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Solution

The fourth proportional to 315,741.60, 435,699.27 and 179,748.54 is: 248,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,741.60 : 435,699.27 = 179,748.54 : x
  2. Step 2: Convert to fraction form
    315,741.60/435,699.27 = 179,748.54/x
  3. Step 3: Cross multiply
    315,741.60x = 435,699.27 × 179,748.54
  4. Step 4: Simplify right side
    315,741.60x = 78,316,307,661.57
  5. Step 5: Solve for x
    x = 78,316,307,661.57/315,741.60
  6. Step 6: Final answer
    x = 248,039.24

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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.