Home / 347,017.37-478,885.26-201,857.98

Finding the Fourth Proportional to 347,017.37, 478,885.26 and 201,857.98

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Solution

The fourth proportional to 347,017.37, 478,885.26 and 201,857.98 is: 278,564.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,017.37 : 478,885.26 = 201,857.98 : x
  2. Step 2: Convert to fraction form
    347,017.37/478,885.26 = 201,857.98/x
  3. Step 3: Cross multiply
    347,017.37x = 478,885.26 × 201,857.98
  4. Step 4: Simplify right side
    347,017.37x = 96,666,811,336.73
  5. Step 5: Solve for x
    x = 96,666,811,336.73/347,017.37
  6. Step 6: Final answer
    x = 278,564.76

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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.