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Finding the Fourth Proportional to 347,601.60, 521,402.40 and 277,617.60

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Solution

The fourth proportional to 347,601.60, 521,402.40 and 277,617.60 is: 416,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,601.60 : 521,402.40 = 277,617.60 : x
  2. Step 2: Convert to fraction form
    347,601.60/521,402.40 = 277,617.60/x
  3. Step 3: Cross multiply
    347,601.60x = 521,402.40 × 277,617.60
  4. Step 4: Simplify right side
    347,601.60x = 144,750,482,922.24
  5. Step 5: Solve for x
    x = 144,750,482,922.24/347,601.60
  6. Step 6: Final answer
    x = 416,426.40

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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.