Finding the Fourth Proportional to 493,371.62, 740,352.68 and 212,888.88
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Solution
The fourth proportional to 493,371.62, 740,352.68 and 212,888.88 is: 319,460.72
Step by Step Solution
- Step 1: Write the proportion equation
493,371.62 : 740,352.68 = 212,888.88 : x - Step 2: Convert to fraction form
493,371.62/740,352.68 = 212,888.88/x - Step 3: Cross multiply
493,371.62x = 740,352.68 × 212,888.88 - Step 4: Simplify right side
493,371.62x = 157,612,852,850.20 - Step 5: Solve for x
x = 157,612,852,850.20/493,371.62 - Step 6: Final answer
x = 319,460.72
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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.