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Finding the Fourth Proportional to 152,139.10, 228,208.65 and 152,139.10

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Solution

The fourth proportional to 152,139.10, 228,208.65 and 152,139.10 is: 228,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,139.10 : 228,208.65 = 152,139.10 : x
  2. Step 2: Convert to fraction form
    152,139.10/228,208.65 = 152,139.10/x
  3. Step 3: Cross multiply
    152,139.10x = 228,208.65 × 152,139.10
  4. Step 4: Simplify right side
    152,139.10x = 34,719,458,623.22
  5. Step 5: Solve for x
    x = 34,719,458,623.22/152,139.10
  6. Step 6: Final answer
    x = 228,208.65

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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.