Finding the Fourth Proportional to 512,600.01, 707,373.56 and 283,152.99
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Solution
The fourth proportional to 512,600.01, 707,373.56 and 283,152.99 is: 390,743.14
Step by Step Solution
- Step 1: Write the proportion equation
512,600.01 : 707,373.56 = 283,152.99 : x - Step 2: Convert to fraction form
512,600.01/707,373.56 = 283,152.99/x - Step 3: Cross multiply
512,600.01x = 707,373.56 × 283,152.99 - Step 4: Simplify right side
512,600.01x = 200,294,937,145.18 - Step 5: Solve for x
x = 200,294,937,145.18/512,600.01 - Step 6: Final answer
x = 390,743.14
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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.