Finding the Fourth Proportional to 98,986.99, 148,409.97 and 46,367.77
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Solution
The fourth proportional to 98,986.99, 148,409.97 and 46,367.77 is: 69,518.62
Step by Step Solution
- Step 1: Write the proportion equation
98,986.99 : 148,409.97 = 46,367.77 : x - Step 2: Convert to fraction form
98,986.99/148,409.97 = 46,367.77/x - Step 3: Cross multiply
98,986.99x = 148,409.97 × 46,367.77 - Step 4: Simplify right side
98,986.99x = 6,881,439,354.67 - Step 5: Solve for x
x = 6,881,439,354.67/98,986.99 - Step 6: Final answer
x = 69,518.62
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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.