Finding the Fourth Proportional to 474,811.47, 655,241.75 and 259,971.53
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Solution
The fourth proportional to 474,811.47, 655,241.75 and 259,971.53 is: 358,761.75
Step by Step Solution
- Step 1: Write the proportion equation
474,811.47 : 655,241.75 = 259,971.53 : x - Step 2: Convert to fraction form
474,811.47/655,241.75 = 259,971.53/x - Step 3: Cross multiply
474,811.47x = 655,241.75 × 259,971.53 - Step 4: Simplify right side
474,811.47x = 170,344,195,691.31 - Step 5: Solve for x
x = 170,344,195,691.31/474,811.47 - Step 6: Final answer
x = 358,761.75
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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.