Home / 307,456.02-461,239.47-139,055.94

Finding the Fourth Proportional to 307,456.02, 461,239.47 and 139,055.94

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Solution

The fourth proportional to 307,456.02, 461,239.47 and 139,055.94 is: 208,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,456.02 : 461,239.47 = 139,055.94 : x
  2. Step 2: Convert to fraction form
    307,456.02/461,239.47 = 139,055.94/x
  3. Step 3: Cross multiply
    307,456.02x = 461,239.47 × 139,055.94
  4. Step 4: Simplify right side
    307,456.02x = 64,138,088,065.95
  5. Step 5: Solve for x
    x = 64,138,088,065.95/307,456.02
  6. Step 6: Final answer
    x = 208,608.98

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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.