Finding the Fourth Proportional to 312,501.36, 468,677.70 and 134,911.20
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Solution
The fourth proportional to 312,501.36, 468,677.70 and 134,911.20 is: 202,334.71
Step by Step Solution
- Step 1: Write the proportion equation
312,501.36 : 468,677.70 = 134,911.20 : x - Step 2: Convert to fraction form
312,501.36/468,677.70 = 134,911.20/x - Step 3: Cross multiply
312,501.36x = 468,677.70 × 134,911.20 - Step 4: Simplify right side
312,501.36x = 63,229,870,920.24 - Step 5: Solve for x
x = 63,229,870,920.24/312,501.36 - Step 6: Final answer
x = 202,334.71
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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.