Home / 371,724.98-513,005.88-210,581.36

Finding the Fourth Proportional to 371,724.98, 513,005.88 and 210,581.36

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Solution

The fourth proportional to 371,724.98, 513,005.88 and 210,581.36 is: 290,616.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,724.98 : 513,005.88 = 210,581.36 : x
  2. Step 2: Convert to fraction form
    371,724.98/513,005.88 = 210,581.36/x
  3. Step 3: Cross multiply
    371,724.98x = 513,005.88 × 210,581.36
  4. Step 4: Simplify right side
    371,724.98x = 108,029,475,898.40
  5. Step 5: Solve for x
    x = 108,029,475,898.40/371,724.98
  6. Step 6: Final answer
    x = 290,616.67

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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.