Finding the Fourth Proportional to 474,278.91, 711,365.95 and 119,293.07
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Solution
The fourth proportional to 474,278.91, 711,365.95 and 119,293.07 is: 178,926.42
Step by Step Solution
- Step 1: Write the proportion equation
474,278.91 : 711,365.95 = 119,293.07 : x - Step 2: Convert to fraction form
474,278.91/711,365.95 = 119,293.07/x - Step 3: Cross multiply
474,278.91x = 711,365.95 × 119,293.07 - Step 4: Simplify right side
474,278.91x = 84,861,028,068.97 - Step 5: Solve for x
x = 84,861,028,068.97/474,278.91 - Step 6: Final answer
x = 178,926.42
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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.