Finding the Fourth Proportional to 217,101.84, 299,703.15 and 145,528.62
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Solution
The fourth proportional to 217,101.84, 299,703.15 and 145,528.62 is: 200,898.28
Step by Step Solution
- Step 1: Write the proportion equation
217,101.84 : 299,703.15 = 145,528.62 : x - Step 2: Convert to fraction form
217,101.84/299,703.15 = 145,528.62/x - Step 3: Cross multiply
217,101.84x = 299,703.15 × 145,528.62 - Step 4: Simplify right side
217,101.84x = 43,615,385,829.15 - Step 5: Solve for x
x = 43,615,385,829.15/217,101.84 - Step 6: Final answer
x = 200,898.28
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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.