Home / 313,443.45-470,244.75-145,085.22

Finding the Fourth Proportional to 313,443.45, 470,244.75 and 145,085.22

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Solution

The fourth proportional to 313,443.45, 470,244.75 and 145,085.22 is: 217,664.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,443.45 : 470,244.75 = 145,085.22 : x
  2. Step 2: Convert to fraction form
    313,443.45/470,244.75 = 145,085.22/x
  3. Step 3: Cross multiply
    313,443.45x = 470,244.75 × 145,085.22
  4. Step 4: Simplify right side
    313,443.45x = 68,225,563,007.60
  5. Step 5: Solve for x
    x = 68,225,563,007.60/313,443.45
  6. Step 6: Final answer
    x = 217,664.66

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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.