Home / 282,945.15-424,485.18-83,272.05

Finding the Fourth Proportional to 282,945.15, 424,485.18 and 83,272.05

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Solution

The fourth proportional to 282,945.15, 424,485.18 and 83,272.05 is: 124,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,945.15 : 424,485.18 = 83,272.05 : x
  2. Step 2: Convert to fraction form
    282,945.15/424,485.18 = 83,272.05/x
  3. Step 3: Cross multiply
    282,945.15x = 424,485.18 × 83,272.05
  4. Step 4: Simplify right side
    282,945.15x = 35,347,751,133.22
  5. Step 5: Solve for x
    x = 35,347,751,133.22/282,945.15
  6. Step 6: Final answer
    x = 124,927.93

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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.