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Finding the Fourth Proportional to 277,485.84, 382,836.72 and 180,645.60

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Solution

The fourth proportional to 277,485.84, 382,836.72 and 180,645.60 is: 249,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,485.84 : 382,836.72 = 180,645.60 : x
  2. Step 2: Convert to fraction form
    277,485.84/382,836.72 = 180,645.60/x
  3. Step 3: Cross multiply
    277,485.84x = 382,836.72 × 180,645.60
  4. Step 4: Simplify right side
    277,485.84x = 69,157,768,986.43
  5. Step 5: Solve for x
    x = 69,157,768,986.43/277,485.84
  6. Step 6: Final answer
    x = 249,229.90

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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.