Finding the Fourth Proportional to 276,830.48, 382,025.93 and 149,506.08
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Solution
The fourth proportional to 276,830.48, 382,025.93 and 149,506.08 is: 206,318.32
Step by Step Solution
- Step 1: Write the proportion equation
276,830.48 : 382,025.93 = 149,506.08 : x - Step 2: Convert to fraction form
276,830.48/382,025.93 = 149,506.08/x - Step 3: Cross multiply
276,830.48x = 382,025.93 × 149,506.08 - Step 4: Simplify right side
276,830.48x = 57,115,198,505.12 - Step 5: Solve for x
x = 57,115,198,505.12/276,830.48 - Step 6: Final answer
x = 206,318.32
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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.