Finding the Fourth Proportional to 299,829.73, 449,678.36 and 86,551.31
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Solution
The fourth proportional to 299,829.73, 449,678.36 and 86,551.31 is: 129,807.84
Step by Step Solution
- Step 1: Write the proportion equation
299,829.73 : 449,678.36 = 86,551.31 : x - Step 2: Convert to fraction form
299,829.73/449,678.36 = 86,551.31/x - Step 3: Cross multiply
299,829.73x = 449,678.36 × 86,551.31 - Step 4: Simplify right side
299,829.73x = 38,920,249,104.64 - Step 5: Solve for x
x = 38,920,249,104.64/299,829.73 - Step 6: Final answer
x = 129,807.84
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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.