Home / 313,631.34-470,376.08-145,059.17

Finding the Fourth Proportional to 313,631.34, 470,376.08 and 145,059.17

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Solution

The fourth proportional to 313,631.34, 470,376.08 and 145,059.17 is: 217,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,631.34 : 470,376.08 = 145,059.17 : x
  2. Step 2: Convert to fraction form
    313,631.34/470,376.08 = 145,059.17/x
  3. Step 3: Cross multiply
    313,631.34x = 470,376.08 × 145,059.17
  4. Step 4: Simplify right side
    313,631.34x = 68,232,361,219.45
  5. Step 5: Solve for x
    x = 68,232,361,219.45/313,631.34
  6. Step 6: Final answer
    x = 217,555.94

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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.