Finding the Fourth Proportional to 228,799.36, 342,957.06 and 84,612.53
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Solution
The fourth proportional to 228,799.36, 342,957.06 and 84,612.53 is: 126,829.31
Step by Step Solution
- Step 1: Write the proportion equation
228,799.36 : 342,957.06 = 84,612.53 : x - Step 2: Convert to fraction form
228,799.36/342,957.06 = 84,612.53/x - Step 3: Cross multiply
228,799.36x = 342,957.06 × 84,612.53 - Step 4: Simplify right side
228,799.36x = 29,018,464,527.96 - Step 5: Solve for x
x = 29,018,464,527.96/228,799.36 - Step 6: Final answer
x = 126,829.31
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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.