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Finding the Fourth Proportional to 171,384.80, 256,558.80 and 152,722.40

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Solution

The fourth proportional to 171,384.80, 256,558.80 and 152,722.40 is: 228,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,384.80 : 256,558.80 = 152,722.40 : x
  2. Step 2: Convert to fraction form
    171,384.80/256,558.80 = 152,722.40/x
  3. Step 3: Cross multiply
    171,384.80x = 256,558.80 × 152,722.40
  4. Step 4: Simplify right side
    171,384.80x = 39,182,275,677.12
  5. Step 5: Solve for x
    x = 39,182,275,677.12/171,384.80
  6. Step 6: Final answer
    x = 228,621.65

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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.