Finding the Fourth Proportional to 512,601.01, 707,374.93 and 283,153.99
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Solution
The fourth proportional to 512,601.01, 707,374.93 and 283,153.99 is: 390,744.52
Step by Step Solution
- Step 1: Write the proportion equation
512,601.01 : 707,374.93 = 283,153.99 : x - Step 2: Convert to fraction form
512,601.01/707,374.93 = 283,153.99/x - Step 3: Cross multiply
512,601.01x = 707,374.93 × 283,153.99 - Step 4: Simplify right side
512,601.01x = 200,296,033,855.47 - Step 5: Solve for x
x = 200,296,033,855.47/512,601.01 - Step 6: Final answer
x = 390,744.52
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1.5x scale
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.