Finding the Fourth Proportional to 474,754.80, 655,177.12 and 259,894.88
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Solution
The fourth proportional to 474,754.80, 655,177.12 and 259,894.88 is: 358,663.42
Step by Step Solution
- Step 1: Write the proportion equation
474,754.80 : 655,177.12 = 259,894.88 : x - Step 2: Convert to fraction form
474,754.80/655,177.12 = 259,894.88/x - Step 3: Cross multiply
474,754.80x = 655,177.12 × 259,894.88 - Step 4: Simplify right side
474,754.80x = 170,277,178,981.15 - Step 5: Solve for x
x = 170,277,178,981.15/474,754.80 - Step 6: Final answer
x = 358,663.42
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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.