Finding the Fourth Proportional to 474,305.78, 711,459.88 and 193,823.02
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Solution
The fourth proportional to 474,305.78, 711,459.88 and 193,823.02 is: 290,735.02
Step by Step Solution
- Step 1: Write the proportion equation
474,305.78 : 711,459.88 = 193,823.02 : x - Step 2: Convert to fraction form
474,305.78/711,459.88 = 193,823.02/x - Step 3: Cross multiply
474,305.78x = 711,459.88 × 193,823.02 - Step 4: Simplify right side
474,305.78x = 137,897,302,550.44 - Step 5: Solve for x
x = 137,897,302,550.44/474,305.78 - Step 6: Final answer
x = 290,735.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.