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Finding the Fourth Proportional to 358,420.60, 537,704.41 and 299,666.85

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Solution

The fourth proportional to 358,420.60, 537,704.41 and 299,666.85 is: 449,561.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,420.60 : 537,704.41 = 299,666.85 : x
  2. Step 2: Convert to fraction form
    358,420.60/537,704.41 = 299,666.85/x
  3. Step 3: Cross multiply
    358,420.60x = 537,704.41 × 299,666.85
  4. Step 4: Simplify right side
    358,420.60x = 161,132,186,775.81
  5. Step 5: Solve for x
    x = 161,132,186,775.81/358,420.60
  6. Step 6: Final answer
    x = 449,561.73

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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.