Finding the Fourth Proportional to 237,947.45, 328,394.93 and 142,454.09
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Solution
The fourth proportional to 237,947.45, 328,394.93 and 142,454.09 is: 196,603.07
Step by Step Solution
- Step 1: Write the proportion equation
237,947.45 : 328,394.93 = 142,454.09 : x - Step 2: Convert to fraction form
237,947.45/328,394.93 = 142,454.09/x - Step 3: Cross multiply
237,947.45x = 328,394.93 × 142,454.09 - Step 4: Simplify right side
237,947.45x = 46,781,200,201.49 - Step 5: Solve for x
x = 46,781,200,201.49/237,947.45 - Step 6: Final answer
x = 196,603.07
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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.