Finding the Fourth Proportional to 194,545.35, 268,467.12 and 108,506.94
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Solution
The fourth proportional to 194,545.35, 268,467.12 and 108,506.94 is: 149,736.53
Step by Step Solution
- Step 1: Write the proportion equation
194,545.35 : 268,467.12 = 108,506.94 : x - Step 2: Convert to fraction form
194,545.35/268,467.12 = 108,506.94/x - Step 3: Cross multiply
194,545.35x = 268,467.12 × 108,506.94 - Step 4: Simplify right side
194,545.35x = 29,130,545,681.81 - Step 5: Solve for x
x = 29,130,545,681.81/194,545.35 - Step 6: Final answer
x = 149,736.53
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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.