Finding the Fourth Proportional to 226,285.36, 312,239.12 and 130,773.63
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Solution
The fourth proportional to 226,285.36, 312,239.12 and 130,773.63 is: 180,447.56
Step by Step Solution
- Step 1: Write the proportion equation
226,285.36 : 312,239.12 = 130,773.63 : x - Step 2: Convert to fraction form
226,285.36/312,239.12 = 130,773.63/x - Step 3: Cross multiply
226,285.36x = 312,239.12 × 130,773.63 - Step 4: Simplify right side
226,285.36x = 40,832,641,816.04 - Step 5: Solve for x
x = 40,832,641,816.04/226,285.36 - Step 6: Final answer
x = 180,447.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.