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Finding the Fourth Proportional to 277,538.40, 416,307.60 and 277,538.40

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Solution

The fourth proportional to 277,538.40, 416,307.60 and 277,538.40 is: 416,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,538.40 : 416,307.60 = 277,538.40 : x
  2. Step 2: Convert to fraction form
    277,538.40/416,307.60 = 277,538.40/x
  3. Step 3: Cross multiply
    277,538.40x = 416,307.60 × 277,538.40
  4. Step 4: Simplify right side
    277,538.40x = 115,541,345,211.84
  5. Step 5: Solve for x
    x = 115,541,345,211.84/277,538.40
  6. Step 6: Final answer
    x = 416,307.60

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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.