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Finding the Fourth Proportional to 228,242.24, 342,510.24 and 123,133.76

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Solution

The fourth proportional to 228,242.24, 342,510.24 and 123,133.76 is: 184,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,242.24 : 342,510.24 = 123,133.76 : x
  2. Step 2: Convert to fraction form
    228,242.24/342,510.24 = 123,133.76/x
  3. Step 3: Cross multiply
    228,242.24x = 342,510.24 × 123,133.76
  4. Step 4: Simplify right side
    228,242.24x = 42,174,573,689.70
  5. Step 5: Solve for x
    x = 42,174,573,689.70/228,242.24
  6. Step 6: Final answer
    x = 184,779.88

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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.