Finding the Fourth Proportional to 421,926.19, 582,263.62 and 230,935.48
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Solution
The fourth proportional to 421,926.19, 582,263.62 and 230,935.48 is: 318,693.96
Step by Step Solution
- Step 1: Write the proportion equation
421,926.19 : 582,263.62 = 230,935.48 : x - Step 2: Convert to fraction form
421,926.19/582,263.62 = 230,935.48/x - Step 3: Cross multiply
421,926.19x = 582,263.62 × 230,935.48 - Step 4: Simplify right side
421,926.19x = 134,465,326,538.24 - Step 5: Solve for x
x = 134,465,326,538.24/421,926.19 - Step 6: Final answer
x = 318,693.96
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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.