Home / 228,982.89-315,631.26-180,505.77

Finding the Fourth Proportional to 228,982.89, 315,631.26 and 180,505.77

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Solution

The fourth proportional to 228,982.89, 315,631.26 and 180,505.77 is: 248,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,982.89 : 315,631.26 = 180,505.77 : x
  2. Step 2: Convert to fraction form
    228,982.89/315,631.26 = 180,505.77/x
  3. Step 3: Cross multiply
    228,982.89x = 315,631.26 × 180,505.77
  4. Step 4: Simplify right side
    228,982.89x = 56,973,263,622.37
  5. Step 5: Solve for x
    x = 56,973,263,622.37/228,982.89
  6. Step 6: Final answer
    x = 248,810.13

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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.