Finding the Fourth Proportional to 242,324.92, 334,417.98 and 134,890.84
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Solution
The fourth proportional to 242,324.92, 334,417.98 and 134,890.84 is: 186,154.70
Step by Step Solution
- Step 1: Write the proportion equation
242,324.92 : 334,417.98 = 134,890.84 : x - Step 2: Convert to fraction form
242,324.92/334,417.98 = 134,890.84/x - Step 3: Cross multiply
242,324.92x = 334,417.98 × 134,890.84 - Step 4: Simplify right side
242,324.92x = 45,109,922,233.30 - Step 5: Solve for x
x = 45,109,922,233.30/242,324.92 - Step 6: Final answer
x = 186,154.70
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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.