Finding the Fourth Proportional to 161,564.73, 242,347.23 and 77,305.02
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Solution
The fourth proportional to 161,564.73, 242,347.23 and 77,305.02 is: 115,957.59
Step by Step Solution
- Step 1: Write the proportion equation
161,564.73 : 242,347.23 = 77,305.02 : x - Step 2: Convert to fraction form
161,564.73/242,347.23 = 77,305.02/x - Step 3: Cross multiply
161,564.73x = 242,347.23 × 77,305.02 - Step 4: Simplify right side
161,564.73x = 18,734,657,462.09 - Step 5: Solve for x
x = 18,734,657,462.09/161,564.73 - Step 6: Final answer
x = 115,957.59
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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.