Finding the Fourth Proportional to 754,577.13, 1,131,866.51 and 193,611.63
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Solution
The fourth proportional to 754,577.13, 1,131,866.51 and 193,611.63 is: 290,417.65
Step by Step Solution
- Step 1: Write the proportion equation
754,577.13 : 1,131,866.51 = 193,611.63 : x - Step 2: Convert to fraction form
754,577.13/1,131,866.51 = 193,611.63/x - Step 3: Cross multiply
754,577.13x = 1,131,866.51 × 193,611.63 - Step 4: Simplify right side
754,577.13x = 219,142,518,975.45 - Step 5: Solve for x
x = 219,142,518,975.45/754,577.13 - Step 6: Final answer
x = 290,417.65
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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.