Finding the Fourth Proportional to 124,638.06, 186,940.71 and 34,686.75
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Solution
The fourth proportional to 124,638.06, 186,940.71 and 34,686.75 is: 52,025.57
Step by Step Solution
- Step 1: Write the proportion equation
124,638.06 : 186,940.71 = 34,686.75 : x - Step 2: Convert to fraction form
124,638.06/186,940.71 = 34,686.75/x - Step 3: Cross multiply
124,638.06x = 186,940.71 × 34,686.75 - Step 4: Simplify right side
124,638.06x = 6,484,365,672.59 - Step 5: Solve for x
x = 6,484,365,672.59/124,638.06 - Step 6: Final answer
x = 52,025.57
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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.