Finding the Fourth Proportional to 124,283.86, 186,450.16 and 49,390.05
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Solution
The fourth proportional to 124,283.86, 186,450.16 and 49,390.05 is: 74,094.75
Step by Step Solution
- Step 1: Write the proportion equation
124,283.86 : 186,450.16 = 49,390.05 : x - Step 2: Convert to fraction form
124,283.86/186,450.16 = 49,390.05/x - Step 3: Cross multiply
124,283.86x = 186,450.16 × 49,390.05 - Step 4: Simplify right side
124,283.86x = 9,208,781,669.18 - Step 5: Solve for x
x = 9,208,781,669.18/124,283.86 - Step 6: Final answer
x = 74,094.75
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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.