Home / 313,243.20-470,010.60-163,652.40

Finding the Fourth Proportional to 313,243.20, 470,010.60 and 163,652.40

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Solution

The fourth proportional to 313,243.20, 470,010.60 and 163,652.40 is: 245,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,243.20 : 470,010.60 = 163,652.40 : x
  2. Step 2: Convert to fraction form
    313,243.20/470,010.60 = 163,652.40/x
  3. Step 3: Cross multiply
    313,243.20x = 470,010.60 × 163,652.40
  4. Step 4: Simplify right side
    313,243.20x = 76,918,362,715.44
  5. Step 5: Solve for x
    x = 76,918,362,715.44/313,243.20
  6. Step 6: Final answer
    x = 245,554.77

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1.5x scale

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.