Finding the Fourth Proportional to 350,991.39, 484,247.93 and 286,347.99
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Solution
The fourth proportional to 350,991.39, 484,247.93 and 286,347.99 is: 395,062.17
Step by Step Solution
- Step 1: Write the proportion equation
350,991.39 : 484,247.93 = 286,347.99 : x - Step 2: Convert to fraction form
350,991.39/484,247.93 = 286,347.99/x - Step 3: Cross multiply
350,991.39x = 484,247.93 × 286,347.99 - Step 4: Simplify right side
350,991.39x = 138,663,419,985.42 - Step 5: Solve for x
x = 138,663,419,985.42/350,991.39 - Step 6: Final answer
x = 395,062.17
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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.