Finding the Fourth Proportional to 430,754.25, 646,131.53 and 193,820.14
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Solution
The fourth proportional to 430,754.25, 646,131.53 and 193,820.14 is: 290,730.28
Step by Step Solution
- Step 1: Write the proportion equation
430,754.25 : 646,131.53 = 193,820.14 : x - Step 2: Convert to fraction form
430,754.25/646,131.53 = 193,820.14/x - Step 3: Cross multiply
430,754.25x = 646,131.53 × 193,820.14 - Step 4: Simplify right side
430,754.25x = 125,233,304,895.23 - Step 5: Solve for x
x = 125,233,304,895.23/430,754.25 - Step 6: Final answer
x = 290,730.28
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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.