Finding the Fourth Proportional to 471,724.14, 650,990.98 and 256,875.89
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Solution
The fourth proportional to 471,724.14, 650,990.98 and 256,875.89 is: 354,495.09
Step by Step Solution
- Step 1: Write the proportion equation
471,724.14 : 650,990.98 = 256,875.89 : x - Step 2: Convert to fraction form
471,724.14/650,990.98 = 256,875.89/x - Step 3: Cross multiply
471,724.14x = 650,990.98 × 256,875.89 - Step 4: Simplify right side
471,724.14x = 167,223,889,318.05 - Step 5: Solve for x
x = 167,223,889,318.05/471,724.14 - Step 6: Final answer
x = 354,495.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.