Home / 421,105.53-581,184.90-268,094.85

Finding the Fourth Proportional to 421,105.53, 581,184.90 and 268,094.85

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Solution

The fourth proportional to 421,105.53, 581,184.90 and 268,094.85 is: 370,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,105.53 : 581,184.90 = 268,094.85 : x
  2. Step 2: Convert to fraction form
    421,105.53/581,184.90 = 268,094.85/x
  3. Step 3: Cross multiply
    421,105.53x = 581,184.90 × 268,094.85
  4. Step 4: Simplify right side
    421,105.53x = 155,812,678,587.77
  5. Step 5: Solve for x
    x = 155,812,678,587.77/421,105.53
  6. Step 6: Final answer
    x = 370,008.63

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1.5x scale

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.