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Finding the Fourth Proportional to 203,014.68, 304,520.65 and 158,678.72

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Solution

The fourth proportional to 203,014.68, 304,520.65 and 158,678.72 is: 238,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,014.68 : 304,520.65 = 158,678.72 : x
  2. Step 2: Convert to fraction form
    203,014.68/304,520.65 = 158,678.72/x
  3. Step 3: Cross multiply
    203,014.68x = 304,520.65 × 158,678.72
  4. Step 4: Simplify right side
    203,014.68x = 48,320,946,178.22
  5. Step 5: Solve for x
    x = 48,320,946,178.22/203,014.68
  6. Step 6: Final answer
    x = 238,017.01

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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.