Finding the Fourth Proportional to 193,863.36, 267,545.52 and 118,426.08
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Solution
The fourth proportional to 193,863.36, 267,545.52 and 118,426.08 is: 163,436.59
Step by Step Solution
- Step 1: Write the proportion equation
193,863.36 : 267,545.52 = 118,426.08 : x - Step 2: Convert to fraction form
193,863.36/267,545.52 = 118,426.08/x - Step 3: Cross multiply
193,863.36x = 267,545.52 × 118,426.08 - Step 4: Simplify right side
193,863.36x = 31,684,367,155.16 - Step 5: Solve for x
x = 31,684,367,155.16/193,863.36 - Step 6: Final answer
x = 163,436.59
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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.