Finding the Fourth Proportional to 145,684.07, 218,525.78 and 45,852.99
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Solution
The fourth proportional to 145,684.07, 218,525.78 and 45,852.99 is: 68,779.38
Step by Step Solution
- Step 1: Write the proportion equation
145,684.07 : 218,525.78 = 45,852.99 : x - Step 2: Convert to fraction form
145,684.07/218,525.78 = 45,852.99/x - Step 3: Cross multiply
145,684.07x = 218,525.78 × 45,852.99 - Step 4: Simplify right side
145,684.07x = 10,020,060,405.08 - Step 5: Solve for x
x = 10,020,060,405.08/145,684.07 - Step 6: Final answer
x = 68,779.38
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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.