Finding the Fourth Proportional to 352,439.36, 528,654.48 and 86,202.08
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Solution
The fourth proportional to 352,439.36, 528,654.48 and 86,202.08 is: 129,302.00
Step by Step Solution
- Step 1: Write the proportion equation
352,439.36 : 528,654.48 = 86,202.08 : x - Step 2: Convert to fraction form
352,439.36/528,654.48 = 86,202.08/x - Step 3: Cross multiply
352,439.36x = 528,654.48 × 86,202.08 - Step 4: Simplify right side
352,439.36x = 45,571,115,777.32 - Step 5: Solve for x
x = 45,571,115,777.32/352,439.36 - Step 6: Final answer
x = 129,302.00
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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.