Finding the Fourth Proportional to 474,927.88, 655,400.46 and 260,081.08
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Solution
The fourth proportional to 474,927.88, 655,400.46 and 260,081.08 is: 358,911.88
Step by Step Solution
- Step 1: Write the proportion equation
474,927.88 : 655,400.46 = 260,081.08 : x - Step 2: Convert to fraction form
474,927.88/655,400.46 = 260,081.08/x - Step 3: Cross multiply
474,927.88x = 655,400.46 × 260,081.08 - Step 4: Simplify right side
474,927.88x = 170,457,259,469.30 - Step 5: Solve for x
x = 170,457,259,469.30/474,927.88 - Step 6: Final answer
x = 358,911.88
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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.