Finding the Fourth Proportional to 319,355.74, 440,690.70 and 183,293.96
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Solution
The fourth proportional to 319,355.74, 440,690.70 and 183,293.96 is: 252,934.06
Step by Step Solution
- Step 1: Write the proportion equation
319,355.74 : 440,690.70 = 183,293.96 : x - Step 2: Convert to fraction form
319,355.74/440,690.70 = 183,293.96/x - Step 3: Cross multiply
319,355.74x = 440,690.70 × 183,293.96 - Step 4: Simplify right side
319,355.74x = 80,775,943,538.17 - Step 5: Solve for x
x = 80,775,943,538.17/319,355.74 - Step 6: Final answer
x = 252,934.06
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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.