Home / 869,288.63-1,303,919.09-238,202.45

Finding the Fourth Proportional to 869,288.63, 1,303,919.09 and 238,202.45

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Solution

The fourth proportional to 869,288.63, 1,303,919.09 and 238,202.45 is: 357,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,288.63 : 1,303,919.09 = 238,202.45 : x
  2. Step 2: Convert to fraction form
    869,288.63/1,303,919.09 = 238,202.45/x
  3. Step 3: Cross multiply
    869,288.63x = 1,303,919.09 × 238,202.45
  4. Step 4: Simplify right side
    869,288.63x = 310,596,714,129.16
  5. Step 5: Solve for x
    x = 310,596,714,129.16/869,288.63
  6. Step 6: Final answer
    x = 357,299.87

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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.