Home / 447,085.19-670,923.20-210,495.53

Finding the Fourth Proportional to 447,085.19, 670,923.20 and 210,495.53

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Solution

The fourth proportional to 447,085.19, 670,923.20 and 210,495.53 is: 315,882.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,085.19 : 670,923.20 = 210,495.53 : x
  2. Step 2: Convert to fraction form
    447,085.19/670,923.20 = 210,495.53/x
  3. Step 3: Cross multiply
    447,085.19x = 670,923.20 × 210,495.53
  4. Step 4: Simplify right side
    447,085.19x = 141,226,331,744.92
  5. Step 5: Solve for x
    x = 141,226,331,744.92/447,085.19
  6. Step 6: Final answer
    x = 315,882.38

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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.