Finding the Fourth Proportional to 660,222.14, 990,701.17 and 356,610.16
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Solution
The fourth proportional to 660,222.14, 990,701.17 and 356,610.16 is: 535,113.99
Step by Step Solution
- Step 1: Write the proportion equation
660,222.14 : 990,701.17 = 356,610.16 : x - Step 2: Convert to fraction form
660,222.14/990,701.17 = 356,610.16/x - Step 3: Cross multiply
660,222.14x = 990,701.17 × 356,610.16 - Step 4: Simplify right side
660,222.14x = 353,294,103,092.74 - Step 5: Solve for x
x = 353,294,103,092.74/660,222.14 - Step 6: Final answer
x = 535,113.99
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1.5x scale
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.