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Finding the Fourth Proportional to 202,669.64, 302,520.33 and 178,728.65

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Solution

The fourth proportional to 202,669.64, 302,520.33 and 178,728.65 is: 266,784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,669.64 : 302,520.33 = 178,728.65 : x
  2. Step 2: Convert to fraction form
    202,669.64/302,520.33 = 178,728.65/x
  3. Step 3: Cross multiply
    202,669.64x = 302,520.33 × 178,728.65
  4. Step 4: Simplify right side
    202,669.64x = 54,069,049,284.81
  5. Step 5: Solve for x
    x = 54,069,049,284.81/202,669.64
  6. Step 6: Final answer
    x = 266,784.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.