Finding the Fourth Proportional to 227,732.79, 314,312.63 and 135,858.14
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Solution
The fourth proportional to 227,732.79, 314,312.63 and 135,858.14 is: 187,508.92
Step by Step Solution
- Step 1: Write the proportion equation
227,732.79 : 314,312.63 = 135,858.14 : x - Step 2: Convert to fraction form
227,732.79/314,312.63 = 135,858.14/x - Step 3: Cross multiply
227,732.79x = 314,312.63 × 135,858.14 - Step 4: Simplify right side
227,732.79x = 42,701,929,290.31 - Step 5: Solve for x
x = 42,701,929,290.31/227,732.79 - Step 6: Final answer
x = 187,508.92
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1.5x scale
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.