Finding the Fourth Proportional to 474,278.34, 711,418.71 and 193,795.59
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Solution
The fourth proportional to 474,278.34, 711,418.71 and 193,795.59 is: 290,693.88
Step by Step Solution
- Step 1: Write the proportion equation
474,278.34 : 711,418.71 = 193,795.59 : x - Step 2: Convert to fraction form
474,278.34/711,418.71 = 193,795.59/x - Step 3: Cross multiply
474,278.34x = 711,418.71 × 193,795.59 - Step 4: Simplify right side
474,278.34x = 137,869,808,641.49 - Step 5: Solve for x
x = 137,869,808,641.49/474,278.34 - Step 6: Final answer
x = 290,693.88
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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.