Finding the Fourth Proportional to 194,435.68, 268,316.16 and 109,547.68
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Solution
The fourth proportional to 194,435.68, 268,316.16 and 109,547.68 is: 151,172.94
Step by Step Solution
- Step 1: Write the proportion equation
194,435.68 : 268,316.16 = 109,547.68 : x - Step 2: Convert to fraction form
194,435.68/268,316.16 = 109,547.68/x - Step 3: Cross multiply
194,435.68x = 268,316.16 × 109,547.68 - Step 4: Simplify right side
194,435.68x = 29,393,412,834.51 - Step 5: Solve for x
x = 29,393,412,834.51/194,435.68 - Step 6: Final answer
x = 151,172.94
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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.