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Finding the Fourth Proportional to 302,084.08, 416,886.72 and 166,128.40

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Solution

The fourth proportional to 302,084.08, 416,886.72 and 166,128.40 is: 229,263.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,084.08 : 416,886.72 = 166,128.40 : x
  2. Step 2: Convert to fraction form
    302,084.08/416,886.72 = 166,128.40/x
  3. Step 3: Cross multiply
    302,084.08x = 416,886.72 × 166,128.40
  4. Step 4: Simplify right side
    302,084.08x = 69,256,723,774.85
  5. Step 5: Solve for x
    x = 69,256,723,774.85/302,084.08
  6. Step 6: Final answer
    x = 229,263.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.