Finding the Fourth Proportional to 193,477.03, 266,983.65 and 108,577.69
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Solution
The fourth proportional to 193,477.03, 266,983.65 and 108,577.69 is: 149,828.99
Step by Step Solution
- Step 1: Write the proportion equation
193,477.03 : 266,983.65 = 108,577.69 : x - Step 2: Convert to fraction form
193,477.03/266,983.65 = 108,577.69/x - Step 3: Cross multiply
193,477.03x = 266,983.65 × 108,577.69 - Step 4: Simplify right side
193,477.03x = 28,988,467,317.31 - Step 5: Solve for x
x = 28,988,467,317.31/193,477.03 - Step 6: Final answer
x = 149,828.99
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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.