Finding the Fourth Proportional to 400,924.96, 553,277.12 and 219,632.92
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Solution
The fourth proportional to 400,924.96, 553,277.12 and 219,632.92 is: 303,093.80
Step by Step Solution
- Step 1: Write the proportion equation
400,924.96 : 553,277.12 = 219,632.92 : x - Step 2: Convert to fraction form
400,924.96/553,277.12 = 219,632.92/x - Step 3: Cross multiply
400,924.96x = 553,277.12 × 219,632.92 - Step 4: Simplify right side
400,924.96x = 121,517,869,434.79 - Step 5: Solve for x
x = 121,517,869,434.79/400,924.96 - Step 6: Final answer
x = 303,093.80
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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.