Finding the Fourth Proportional to 229,611.17, 316,733.99 and 137,706.01
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Solution
The fourth proportional to 229,611.17, 316,733.99 and 137,706.01 is: 189,956.66
Step by Step Solution
- Step 1: Write the proportion equation
229,611.17 : 316,733.99 = 137,706.01 : x - Step 2: Convert to fraction form
229,611.17/316,733.99 = 137,706.01/x - Step 3: Cross multiply
229,611.17x = 316,733.99 × 137,706.01 - Step 4: Simplify right side
229,611.17x = 43,616,172,513.91 - Step 5: Solve for x
x = 43,616,172,513.91/229,611.17 - Step 6: Final answer
x = 189,956.66
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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.