Finding the Fourth Proportional to 99,699.36, 149,197.95 and 62,277.05
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Solution
The fourth proportional to 99,699.36, 149,197.95 and 62,277.05 is: 93,196.27
Step by Step Solution
- Step 1: Write the proportion equation
99,699.36 : 149,197.95 = 62,277.05 : x - Step 2: Convert to fraction form
99,699.36/149,197.95 = 62,277.05/x - Step 3: Cross multiply
99,699.36x = 149,197.95 × 62,277.05 - Step 4: Simplify right side
99,699.36x = 9,291,608,565.04 - Step 5: Solve for x
x = 9,291,608,565.04/99,699.36 - Step 6: Final answer
x = 93,196.27
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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.