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Finding the Fourth Proportional to 201,953.10, 302,601.60 and 173,740.80

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Solution

The fourth proportional to 201,953.10, 302,601.60 and 173,740.80 is: 260,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,953.10 : 302,601.60 = 173,740.80 : x
  2. Step 2: Convert to fraction form
    201,953.10/302,601.60 = 173,740.80/x
  3. Step 3: Cross multiply
    201,953.10x = 302,601.60 × 173,740.80
  4. Step 4: Simplify right side
    201,953.10x = 52,574,244,065.28
  5. Step 5: Solve for x
    x = 52,574,244,065.28/201,953.10
  6. Step 6: Final answer
    x = 260,328.98

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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.