Home / 416,239.50-624,457.67-135,756.75

Finding the Fourth Proportional to 416,239.50, 624,457.67 and 135,756.75

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Solution

The fourth proportional to 416,239.50, 624,457.67 and 135,756.75 is: 203,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,239.50 : 624,457.67 = 135,756.75 : x
  2. Step 2: Convert to fraction form
    416,239.50/624,457.67 = 135,756.75/x
  3. Step 3: Cross multiply
    416,239.50x = 624,457.67 × 135,756.75
  4. Step 4: Simplify right side
    416,239.50x = 84,774,343,112.99
  5. Step 5: Solve for x
    x = 84,774,343,112.99/416,239.50
  6. Step 6: Final answer
    x = 203,667.22

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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.