Finding the Fourth Proportional to 692,841.14, 1,039,148.49 and 243,456.84
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Solution
The fourth proportional to 692,841.14, 1,039,148.49 and 243,456.84 is: 365,145.47
Step by Step Solution
- Step 1: Write the proportion equation
692,841.14 : 1,039,148.49 = 243,456.84 : x - Step 2: Convert to fraction form
692,841.14/1,039,148.49 = 243,456.84/x - Step 3: Cross multiply
692,841.14x = 1,039,148.49 × 243,456.84 - Step 4: Simplify right side
692,841.14x = 252,987,808,579.14 - Step 5: Solve for x
x = 252,987,808,579.14/692,841.14 - Step 6: Final answer
x = 365,145.47
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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.