Finding the Fourth Proportional to 148,542.99, 204,985.49 and 84,880.80
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Solution
The fourth proportional to 148,542.99, 204,985.49 and 84,880.80 is: 117,133.31
Step by Step Solution
- Step 1: Write the proportion equation
148,542.99 : 204,985.49 = 84,880.80 : x - Step 2: Convert to fraction form
148,542.99/204,985.49 = 84,880.80/x - Step 3: Cross multiply
148,542.99x = 204,985.49 × 84,880.80 - Step 4: Simplify right side
148,542.99x = 17,399,331,955.19 - Step 5: Solve for x
x = 17,399,331,955.19/148,542.99 - Step 6: Final answer
x = 117,133.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.