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Finding the Fourth Proportional to 288,846.70, 433,270.05 and 262,602.70

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Solution

The fourth proportional to 288,846.70, 433,270.05 and 262,602.70 is: 393,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,846.70 : 433,270.05 = 262,602.70 : x
  2. Step 2: Convert to fraction form
    288,846.70/433,270.05 = 262,602.70/x
  3. Step 3: Cross multiply
    288,846.70x = 433,270.05 × 262,602.70
  4. Step 4: Simplify right side
    288,846.70x = 113,777,884,959.14
  5. Step 5: Solve for x
    x = 113,777,884,959.14/288,846.70
  6. Step 6: Final answer
    x = 393,904.05

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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.