Finding the Fourth Proportional to 474,812.47, 655,243.12 and 259,972.52
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Solution
The fourth proportional to 474,812.47, 655,243.12 and 259,972.52 is: 358,763.12
Step by Step Solution
- Step 1: Write the proportion equation
474,812.47 : 655,243.12 = 259,972.52 : x - Step 2: Convert to fraction form
474,812.47/655,243.12 = 259,972.52/x - Step 3: Cross multiply
474,812.47x = 655,243.12 × 259,972.52 - Step 4: Simplify right side
474,812.47x = 170,345,205,119.06 - Step 5: Solve for x
x = 170,345,205,119.06/474,812.47 - Step 6: Final answer
x = 358,763.12
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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.