Finding the Fourth Proportional to 468,677.84, 646,771.97 and 253,812.92
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Solution
The fourth proportional to 468,677.84, 646,771.97 and 253,812.92 is: 350,259.96
Step by Step Solution
- Step 1: Write the proportion equation
468,677.84 : 646,771.97 = 253,812.92 : x - Step 2: Convert to fraction form
468,677.84/646,771.97 = 253,812.92/x - Step 3: Cross multiply
468,677.84x = 646,771.97 × 253,812.92 - Step 4: Simplify right side
468,677.84x = 164,159,082,279.85 - Step 5: Solve for x
x = 164,159,082,279.85/468,677.84 - Step 6: Final answer
x = 350,259.96
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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.