Finding the Fourth Proportional to 99,561.08, 149,345.98 and 46,303.08
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Solution
The fourth proportional to 99,561.08, 149,345.98 and 46,303.08 is: 69,456.65
Step by Step Solution
- Step 1: Write the proportion equation
99,561.08 : 149,345.98 = 46,303.08 : x - Step 2: Convert to fraction form
99,561.08/149,345.98 = 46,303.08/x - Step 3: Cross multiply
99,561.08x = 149,345.98 × 46,303.08 - Step 4: Simplify right side
99,561.08x = 6,915,178,859.62 - Step 5: Solve for x
x = 6,915,178,859.62/99,561.08 - Step 6: Final answer
x = 69,456.65
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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.