Finding the Fourth Proportional to 401,459.52, 602,218.48 and 135,220.08
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Solution
The fourth proportional to 401,459.52, 602,218.48 and 135,220.08 is: 202,839.96
Step by Step Solution
- Step 1: Write the proportion equation
401,459.52 : 602,218.48 = 135,220.08 : x - Step 2: Convert to fraction form
401,459.52/602,218.48 = 135,220.08/x - Step 3: Cross multiply
401,459.52x = 602,218.48 × 135,220.08 - Step 4: Simplify right side
401,459.52x = 81,432,031,043.08 - Step 5: Solve for x
x = 81,432,031,043.08/401,459.52 - Step 6: Final answer
x = 202,839.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.