Finding the Fourth Proportional to 657,968.08, 987,252.60 and 357,998.80
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Solution
The fourth proportional to 657,968.08, 987,252.60 and 357,998.80 is: 537,161.69
Step by Step Solution
- Step 1: Write the proportion equation
657,968.08 : 987,252.60 = 357,998.80 : x - Step 2: Convert to fraction form
657,968.08/987,252.60 = 357,998.80/x - Step 3: Cross multiply
657,968.08x = 987,252.60 × 357,998.80 - Step 4: Simplify right side
657,968.08x = 353,435,246,096.88 - Step 5: Solve for x
x = 353,435,246,096.88/657,968.08 - Step 6: Final answer
x = 537,161.69
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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.