Finding the Fourth Proportional to 208,177.92, 287,210.88 and 118,702.08
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Solution
The fourth proportional to 208,177.92, 287,210.88 and 118,702.08 is: 163,766.31
Step by Step Solution
- Step 1: Write the proportion equation
208,177.92 : 287,210.88 = 118,702.08 : x - Step 2: Convert to fraction form
208,177.92/287,210.88 = 118,702.08/x - Step 3: Cross multiply
208,177.92x = 287,210.88 × 118,702.08 - Step 4: Simplify right side
208,177.92x = 34,092,528,854.63 - Step 5: Solve for x
x = 34,092,528,854.63/208,177.92 - Step 6: Final answer
x = 163,766.31
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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.