Finding the Fourth Proportional to 453,142.62, 679,669.95 and 137,602.26
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Solution
The fourth proportional to 453,142.62, 679,669.95 and 137,602.26 is: 206,390.03
Step by Step Solution
- Step 1: Write the proportion equation
453,142.62 : 679,669.95 = 137,602.26 : x - Step 2: Convert to fraction form
453,142.62/679,669.95 = 137,602.26/x - Step 3: Cross multiply
453,142.62x = 679,669.95 × 137,602.26 - Step 4: Simplify right side
453,142.62x = 93,524,121,174.09 - Step 5: Solve for x
x = 93,524,121,174.09/453,142.62 - Step 6: Final answer
x = 206,390.03
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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.