Finding the Fourth Proportional to 125,641.35, 188,485.08 and 41,406.48
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Solution
The fourth proportional to 125,641.35, 188,485.08 and 41,406.48 is: 62,117.32
Step by Step Solution
- Step 1: Write the proportion equation
125,641.35 : 188,485.08 = 41,406.48 : x - Step 2: Convert to fraction form
125,641.35/188,485.08 = 41,406.48/x - Step 3: Cross multiply
125,641.35x = 188,485.08 × 41,406.48 - Step 4: Simplify right side
125,641.35x = 7,804,503,695.32 - Step 5: Solve for x
x = 7,804,503,695.32/125,641.35 - Step 6: Final answer
x = 62,117.32
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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.