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Finding the Fourth Proportional to 349,045.60, 523,568.40 and 303,426.40

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Solution

The fourth proportional to 349,045.60, 523,568.40 and 303,426.40 is: 455,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,045.60 : 523,568.40 = 303,426.40 : x
  2. Step 2: Convert to fraction form
    349,045.60/523,568.40 = 303,426.40/x
  3. Step 3: Cross multiply
    349,045.60x = 523,568.40 × 303,426.40
  4. Step 4: Simplify right side
    349,045.60x = 158,864,474,765.76
  5. Step 5: Solve for x
    x = 158,864,474,765.76/349,045.60
  6. Step 6: Final answer
    x = 455,139.60

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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.