Home / 313,667.03-470,236.05-136,040.25

Finding the Fourth Proportional to 313,667.03, 470,236.05 and 136,040.25

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Solution

The fourth proportional to 313,667.03, 470,236.05 and 136,040.25 is: 203,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,667.03 : 470,236.05 = 136,040.25 : x
  2. Step 2: Convert to fraction form
    313,667.03/470,236.05 = 136,040.25/x
  3. Step 3: Cross multiply
    313,667.03x = 470,236.05 × 136,040.25
  4. Step 4: Simplify right side
    313,667.03x = 63,971,031,564.40
  5. Step 5: Solve for x
    x = 63,971,031,564.40/313,667.03
  6. Step 6: Final answer
    x = 203,945.67

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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.