Finding the Fourth Proportional to 296,774.20, 409,547.10 and 160,808.68
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Solution
The fourth proportional to 296,774.20, 409,547.10 and 160,808.68 is: 221,915.28
Step by Step Solution
- Step 1: Write the proportion equation
296,774.20 : 409,547.10 = 160,808.68 : x - Step 2: Convert to fraction form
296,774.20/409,547.10 = 160,808.68/x - Step 3: Cross multiply
296,774.20x = 409,547.10 × 160,808.68 - Step 4: Simplify right side
296,774.20x = 65,858,728,548.83 - Step 5: Solve for x
x = 65,858,728,548.83/296,774.20 - Step 6: Final answer
x = 221,915.28
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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.