Finding the Fourth Proportional to 99,706.09, 149,208.08 and 62,283.79
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Solution
The fourth proportional to 99,706.09, 149,208.08 and 62,283.79 is: 93,206.38
Step by Step Solution
- Step 1: Write the proportion equation
99,706.09 : 149,208.08 = 62,283.79 : x - Step 2: Convert to fraction form
99,706.09/149,208.08 = 62,283.79/x - Step 3: Cross multiply
99,706.09x = 149,208.08 × 62,283.79 - Step 4: Simplify right side
99,706.09x = 9,293,243,756.82 - Step 5: Solve for x
x = 9,293,243,756.82/99,706.09 - Step 6: Final answer
x = 93,206.38
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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.