Finding the Fourth Proportional to 219,241.08, 302,347.36 and 145,523.13
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Solution
The fourth proportional to 219,241.08, 302,347.36 and 145,523.13 is: 200,685.63
Step by Step Solution
- Step 1: Write the proportion equation
219,241.08 : 302,347.36 = 145,523.13 : x - Step 2: Convert to fraction form
219,241.08/302,347.36 = 145,523.13/x - Step 3: Cross multiply
219,241.08x = 302,347.36 × 145,523.13 - Step 4: Simplify right side
219,241.08x = 43,998,534,513.96 - Step 5: Solve for x
x = 43,998,534,513.96/219,241.08 - Step 6: Final answer
x = 200,685.63
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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.