Home / 336,721.85-464,529.49-221,853.12

Finding the Fourth Proportional to 336,721.85, 464,529.49 and 221,853.12

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Solution

The fourth proportional to 336,721.85, 464,529.49 and 221,853.12 is: 306,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,721.85 : 464,529.49 = 221,853.12 : x
  2. Step 2: Convert to fraction form
    336,721.85/464,529.49 = 221,853.12/x
  3. Step 3: Cross multiply
    336,721.85x = 464,529.49 × 221,853.12
  4. Step 4: Simplify right side
    336,721.85x = 103,057,316,688.51
  5. Step 5: Solve for x
    x = 103,057,316,688.51/336,721.85
  6. Step 6: Final answer
    x = 306,060.67

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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.