Home / 289,264.20-433,896.30-263,459.40

Finding the Fourth Proportional to 289,264.20, 433,896.30 and 263,459.40

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Solution

The fourth proportional to 289,264.20, 433,896.30 and 263,459.40 is: 395,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,264.20 : 433,896.30 = 263,459.40 : x
  2. Step 2: Convert to fraction form
    289,264.20/433,896.30 = 263,459.40/x
  3. Step 3: Cross multiply
    289,264.20x = 433,896.30 × 263,459.40
  4. Step 4: Simplify right side
    289,264.20x = 114,314,058,860.22
  5. Step 5: Solve for x
    x = 114,314,058,860.22/289,264.20
  6. Step 6: Final answer
    x = 395,189.10

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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.