Finding the Fourth Proportional to 314,521.68, 434,044.91 and 171,281.62
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Solution
The fourth proportional to 314,521.68, 434,044.91 and 171,281.62 is: 236,371.35
Step by Step Solution
- Step 1: Write the proportion equation
314,521.68 : 434,044.91 = 171,281.62 : x - Step 2: Convert to fraction form
314,521.68/434,044.91 = 171,281.62/x - Step 3: Cross multiply
314,521.68x = 434,044.91 × 171,281.62 - Step 4: Simplify right side
314,521.68x = 74,343,916,308.31 - Step 5: Solve for x
x = 74,343,916,308.31/314,521.68 - Step 6: Final answer
x = 236,371.35
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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.