Home / 228,237.24-342,502.74-123,128.76

Finding the Fourth Proportional to 228,237.24, 342,502.74 and 123,128.76

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Solution

The fourth proportional to 228,237.24, 342,502.74 and 123,128.76 is: 184,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,237.24 : 342,502.74 = 123,128.76 : x
  2. Step 2: Convert to fraction form
    228,237.24/342,502.74 = 123,128.76/x
  3. Step 3: Cross multiply
    228,237.24x = 342,502.74 × 123,128.76
  4. Step 4: Simplify right side
    228,237.24x = 42,171,937,672.80
  5. Step 5: Solve for x
    x = 42,171,937,672.80/228,237.24
  6. Step 6: Final answer
    x = 184,772.38

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1.5x scale

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.