Finding the Fourth Proportional to 210,896.66, 316,344.99 and 92,569.03
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Solution
The fourth proportional to 210,896.66, 316,344.99 and 92,569.03 is: 138,853.55
Step by Step Solution
- Step 1: Write the proportion equation
210,896.66 : 316,344.99 = 92,569.03 : x - Step 2: Convert to fraction form
210,896.66/316,344.99 = 92,569.03/x - Step 3: Cross multiply
210,896.66x = 316,344.99 × 92,569.03 - Step 4: Simplify right side
210,896.66x = 29,283,748,869.66 - Step 5: Solve for x
x = 29,283,748,869.66/210,896.66 - Step 6: Final answer
x = 138,853.55
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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.