Finding the Fourth Proportional to 474,811.47, 655,241.74 and 259,971.52
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Solution
The fourth proportional to 474,811.47, 655,241.74 and 259,971.52 is: 358,761.74
Step by Step Solution
- Step 1: Write the proportion equation
474,811.47 : 655,241.74 = 259,971.52 : x - Step 2: Convert to fraction form
474,811.47/655,241.74 = 259,971.52/x - Step 3: Cross multiply
474,811.47x = 655,241.74 × 259,971.52 - Step 4: Simplify right side
474,811.47x = 170,344,191,115.25 - Step 5: Solve for x
x = 170,344,191,115.25/474,811.47 - Step 6: Final answer
x = 358,761.74
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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.