Finding the Fourth Proportional to 299,673.68, 413,453.72 and 213,646.66
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Solution
The fourth proportional to 299,673.68, 413,453.72 and 213,646.66 is: 294,763.99
Step by Step Solution
- Step 1: Write the proportion equation
299,673.68 : 413,453.72 = 213,646.66 : x - Step 2: Convert to fraction form
299,673.68/413,453.72 = 213,646.66/x - Step 3: Cross multiply
299,673.68x = 413,453.72 × 213,646.66 - Step 4: Simplify right side
299,673.68x = 88,333,006,966.97 - Step 5: Solve for x
x = 88,333,006,966.97/299,673.68 - Step 6: Final answer
x = 294,763.99
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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.