Finding the Fourth Proportional to 171,703.80, 237,012.60 and 117,216.99
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Solution
The fourth proportional to 171,703.80, 237,012.60 and 117,216.99 is: 161,801.33
Step by Step Solution
- Step 1: Write the proportion equation
171,703.80 : 237,012.60 = 117,216.99 : x - Step 2: Convert to fraction form
171,703.80/237,012.60 = 117,216.99/x - Step 3: Cross multiply
171,703.80x = 237,012.60 × 117,216.99 - Step 4: Simplify right side
171,703.80x = 27,781,903,564.07 - Step 5: Solve for x
x = 27,781,903,564.07/171,703.80 - Step 6: Final answer
x = 161,801.33
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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.