Finding the Fourth Proportional to 831,835.19, 1,247,752.99 and 232,884.57
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Solution
The fourth proportional to 831,835.19, 1,247,752.99 and 232,884.57 is: 349,326.92
Step by Step Solution
- Step 1: Write the proportion equation
831,835.19 : 1,247,752.99 = 232,884.57 : x - Step 2: Convert to fraction form
831,835.19/1,247,752.99 = 232,884.57/x - Step 3: Cross multiply
831,835.19x = 1,247,752.99 × 232,884.57 - Step 4: Simplify right side
831,835.19x = 290,582,423,512.54 - Step 5: Solve for x
x = 290,582,423,512.54/831,835.19 - Step 6: Final answer
x = 349,326.92
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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.