Home / 401,814.35-603,012.79-149,130.80

Finding the Fourth Proportional to 401,814.35, 603,012.79 and 149,130.80

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Solution

The fourth proportional to 401,814.35, 603,012.79 and 149,130.80 is: 223,804.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,814.35 : 603,012.79 = 149,130.80 : x
  2. Step 2: Convert to fraction form
    401,814.35/603,012.79 = 149,130.80/x
  3. Step 3: Cross multiply
    401,814.35x = 603,012.79 × 149,130.80
  4. Step 4: Simplify right side
    401,814.35x = 89,927,782,510.26
  5. Step 5: Solve for x
    x = 89,927,782,510.26/401,814.35
  6. Step 6: Final answer
    x = 223,804.31

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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.