Finding the Fourth Proportional to 286,569.62, 395,447.94 and 159,237.62
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Solution
The fourth proportional to 286,569.62, 395,447.94 and 159,237.62 is: 219,737.84
Step by Step Solution
- Step 1: Write the proportion equation
286,569.62 : 395,447.94 = 159,237.62 : x - Step 2: Convert to fraction form
286,569.62/395,447.94 = 159,237.62/x - Step 3: Cross multiply
286,569.62x = 395,447.94 × 159,237.62 - Step 4: Simplify right side
286,569.62x = 62,970,188,799.50 - Step 5: Solve for x
x = 62,970,188,799.50/286,569.62 - Step 6: Final answer
x = 219,737.84
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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.