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Finding the Fourth Proportional to 341,473.20, 512,501.40 and 152,224.80

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Solution

The fourth proportional to 341,473.20, 512,501.40 and 152,224.80 is: 228,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,473.20 : 512,501.40 = 152,224.80 : x
  2. Step 2: Convert to fraction form
    341,473.20/512,501.40 = 152,224.80/x
  3. Step 3: Cross multiply
    341,473.20x = 512,501.40 × 152,224.80
  4. Step 4: Simplify right side
    341,473.20x = 78,015,423,114.72
  5. Step 5: Solve for x
    x = 78,015,423,114.72/341,473.20
  6. Step 6: Final answer
    x = 228,467.19

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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.