Finding the Fourth Proportional to 474,117.70, 711,177.27 and 193,634.95
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Solution
The fourth proportional to 474,117.70, 711,177.27 and 193,634.95 is: 290,452.72
Step by Step Solution
- Step 1: Write the proportion equation
474,117.70 : 711,177.27 = 193,634.95 : x - Step 2: Convert to fraction form
474,117.70/711,177.27 = 193,634.95/x - Step 3: Cross multiply
474,117.70x = 711,177.27 × 193,634.95 - Step 4: Simplify right side
474,117.70x = 137,708,775,117.59 - Step 5: Solve for x
x = 137,708,775,117.59/474,117.70 - Step 6: Final answer
x = 290,452.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.