Finding the Fourth Proportional to 286,594.74, 395,497.89 and 159,267.60
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Solution
The fourth proportional to 286,594.74, 395,497.89 and 159,267.60 is: 219,787.70
Step by Step Solution
- Step 1: Write the proportion equation
286,594.74 : 395,497.89 = 159,267.60 : x - Step 2: Convert to fraction form
286,594.74/395,497.89 = 159,267.60/x - Step 3: Cross multiply
286,594.74x = 395,497.89 × 159,267.60 - Step 4: Simplify right side
286,594.74x = 62,989,999,745.36 - Step 5: Solve for x
x = 62,989,999,745.36/286,594.74 - Step 6: Final answer
x = 219,787.70
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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.