Home / 289,214.10-433,043.55-209,898.90

Finding the Fourth Proportional to 289,214.10, 433,043.55 and 209,898.90

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Solution

The fourth proportional to 289,214.10, 433,043.55 and 209,898.90 is: 314,284.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,214.10 : 433,043.55 = 209,898.90 : x
  2. Step 2: Convert to fraction form
    289,214.10/433,043.55 = 209,898.90/x
  3. Step 3: Cross multiply
    289,214.10x = 433,043.55 × 209,898.90
  4. Step 4: Simplify right side
    289,214.10x = 90,895,364,797.10
  5. Step 5: Solve for x
    x = 90,895,364,797.10/289,214.10
  6. Step 6: Final answer
    x = 314,284.00

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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.