Finding the Fourth Proportional to 283,377.33, 390,395.55 and 197,188.09
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Solution
The fourth proportional to 283,377.33, 390,395.55 and 197,188.09 is: 271,656.71
Step by Step Solution
- Step 1: Write the proportion equation
283,377.33 : 390,395.55 = 197,188.09 : x - Step 2: Convert to fraction form
283,377.33/390,395.55 = 197,188.09/x - Step 3: Cross multiply
283,377.33x = 390,395.55 × 197,188.09 - Step 4: Simplify right side
283,377.33x = 76,981,350,897.02 - Step 5: Solve for x
x = 76,981,350,897.02/283,377.33 - Step 6: Final answer
x = 271,656.71
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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.