Home / 751,875.30-1,127,879.25-212,136.29

Finding the Fourth Proportional to 751,875.30, 1,127,879.25 and 212,136.29

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Solution

The fourth proportional to 751,875.30, 1,127,879.25 and 212,136.29 is: 318,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,875.30 : 1,127,879.25 = 212,136.29 : x
  2. Step 2: Convert to fraction form
    751,875.30/1,127,879.25 = 212,136.29/x
  3. Step 3: Cross multiply
    751,875.30x = 1,127,879.25 × 212,136.29
  4. Step 4: Simplify right side
    751,875.30x = 239,264,118,650.89
  5. Step 5: Solve for x
    x = 239,264,118,650.89/751,875.30
  6. Step 6: Final answer
    x = 318,223.14

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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.