Finding the Fourth Proportional to 474,741.48, 655,143.18 and 259,881.68
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Solution
The fourth proportional to 474,741.48, 655,143.18 and 259,881.68 is: 358,636.68
Step by Step Solution
- Step 1: Write the proportion equation
474,741.48 : 655,143.18 = 259,881.68 : x - Step 2: Convert to fraction form
474,741.48/655,143.18 = 259,881.68/x - Step 3: Cross multiply
474,741.48x = 655,143.18 × 259,881.68 - Step 4: Simplify right side
474,741.48x = 170,259,710,258.94 - Step 5: Solve for x
x = 170,259,710,258.94/474,741.48 - Step 6: Final answer
x = 358,636.68
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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.