Finding the Fourth Proportional to 474,201.80, 711,302.70 and 208,089.80
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Solution
The fourth proportional to 474,201.80, 711,302.70 and 208,089.80 is: 312,134.70
Step by Step Solution
- Step 1: Write the proportion equation
474,201.80 : 711,302.70 = 208,089.80 : x - Step 2: Convert to fraction form
474,201.80/711,302.70 = 208,089.80/x - Step 3: Cross multiply
474,201.80x = 711,302.70 × 208,089.80 - Step 4: Simplify right side
474,201.80x = 148,014,836,582.46 - Step 5: Solve for x
x = 148,014,836,582.46/474,201.80 - Step 6: Final answer
x = 312,134.70
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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.