Home / 421,697.55-581,941.89-230,710.50

Finding the Fourth Proportional to 421,697.55, 581,941.89 and 230,710.50

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Solution

The fourth proportional to 421,697.55, 581,941.89 and 230,710.50 is: 318,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,697.55 : 581,941.89 = 230,710.50 : x
  2. Step 2: Convert to fraction form
    421,697.55/581,941.89 = 230,710.50/x
  3. Step 3: Cross multiply
    421,697.55x = 581,941.89 × 230,710.50
  4. Step 4: Simplify right side
    421,697.55x = 134,260,104,412.85
  5. Step 5: Solve for x
    x = 134,260,104,412.85/421,697.55
  6. Step 6: Final answer
    x = 318,380.09

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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.