Finding the Fourth Proportional to 474,142.64, 711,769.08 and 374,370.08
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Solution
The fourth proportional to 474,142.64, 711,769.08 and 374,370.08 is: 561,993.43
Step by Step Solution
- Step 1: Write the proportion equation
474,142.64 : 711,769.08 = 374,370.08 : x - Step 2: Convert to fraction form
474,142.64/711,769.08 = 374,370.08/x - Step 3: Cross multiply
474,142.64x = 711,769.08 × 374,370.08 - Step 4: Simplify right side
474,142.64x = 266,465,047,421.13 - Step 5: Solve for x
x = 266,465,047,421.13/474,142.64 - Step 6: Final answer
x = 561,993.43
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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.