Finding the Fourth Proportional to 163,545.75, 245,318.63 and 43,603.08
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Solution
The fourth proportional to 163,545.75, 245,318.63 and 43,603.08 is: 65,404.61
Step by Step Solution
- Step 1: Write the proportion equation
163,545.75 : 245,318.63 = 43,603.08 : x - Step 2: Convert to fraction form
163,545.75/245,318.63 = 43,603.08/x - Step 3: Cross multiply
163,545.75x = 245,318.63 × 43,603.08 - Step 4: Simplify right side
163,545.75x = 10,696,646,711.42 - Step 5: Solve for x
x = 10,696,646,711.42/163,545.75 - Step 6: Final answer
x = 65,404.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.