Finding the Fourth Proportional to 99,487.08, 149,252.40 and 46,896.96
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Solution
The fourth proportional to 99,487.08, 149,252.40 and 46,896.96 is: 70,355.71
Step by Step Solution
- Step 1: Write the proportion equation
99,487.08 : 149,252.40 = 46,896.96 : x - Step 2: Convert to fraction form
99,487.08/149,252.40 = 46,896.96/x - Step 3: Cross multiply
99,487.08x = 149,252.40 × 46,896.96 - Step 4: Simplify right side
99,487.08x = 6,999,483,832.70 - Step 5: Solve for x
x = 6,999,483,832.70/99,487.08 - Step 6: Final answer
x = 70,355.71
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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.