Finding the Fourth Proportional to 145,905.48, 218,880.99 and 61,666.02
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Solution
The fourth proportional to 145,905.48, 218,880.99 and 61,666.02 is: 92,508.65
Step by Step Solution
- Step 1: Write the proportion equation
145,905.48 : 218,880.99 = 61,666.02 : x - Step 2: Convert to fraction form
145,905.48/218,880.99 = 61,666.02/x - Step 3: Cross multiply
145,905.48x = 218,880.99 × 61,666.02 - Step 4: Simplify right side
145,905.48x = 13,497,519,506.96 - Step 5: Solve for x
x = 13,497,519,506.96/145,905.48 - Step 6: Final answer
x = 92,508.65
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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.