Home / 345,622.55-476,849.84-272,795.45

Finding the Fourth Proportional to 345,622.55, 476,849.84 and 272,795.45

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Solution

The fourth proportional to 345,622.55, 476,849.84 and 272,795.45 is: 376,371.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,622.55 : 476,849.84 = 272,795.45 : x
  2. Step 2: Convert to fraction form
    345,622.55/476,849.84 = 272,795.45/x
  3. Step 3: Cross multiply
    345,622.55x = 476,849.84 × 272,795.45
  4. Step 4: Simplify right side
    345,622.55x = 130,082,462,937.00
  5. Step 5: Solve for x
    x = 130,082,462,937.00/345,622.55
  6. Step 6: Final answer
    x = 376,371.46

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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.