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Finding the Fourth Proportional to 152,004.80, 228,007.20 and 144,747.20

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Solution

The fourth proportional to 152,004.80, 228,007.20 and 144,747.20 is: 217,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,004.80 : 228,007.20 = 144,747.20 : x
  2. Step 2: Convert to fraction form
    152,004.80/228,007.20 = 144,747.20/x
  3. Step 3: Cross multiply
    152,004.80x = 228,007.20 × 144,747.20
  4. Step 4: Simplify right side
    152,004.80x = 33,003,403,779.84
  5. Step 5: Solve for x
    x = 33,003,403,779.84/152,004.80
  6. Step 6: Final answer
    x = 217,120.80

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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.