Finding the Fourth Proportional to 913,868.73, 1,370,769.08 and 239,943.87
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Solution
The fourth proportional to 913,868.73, 1,370,769.08 and 239,943.87 is: 359,906.87
Step by Step Solution
- Step 1: Write the proportion equation
913,868.73 : 1,370,769.08 = 239,943.87 : x - Step 2: Convert to fraction form
913,868.73/1,370,769.08 = 239,943.87/x - Step 3: Cross multiply
913,868.73x = 1,370,769.08 × 239,943.87 - Step 4: Simplify right side
913,868.73x = 328,907,636,731.82 - Step 5: Solve for x
x = 328,907,636,731.82/913,868.73 - Step 6: Final answer
x = 359,906.87
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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.