Finding the Fourth Proportional to 409,653.84, 565,276.68 and 228,352.08
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Solution
The fourth proportional to 409,653.84, 565,276.68 and 228,352.08 is: 315,100.44
Step by Step Solution
- Step 1: Write the proportion equation
409,653.84 : 565,276.68 = 228,352.08 : x - Step 2: Convert to fraction form
409,653.84/565,276.68 = 228,352.08/x - Step 3: Cross multiply
409,653.84x = 565,276.68 × 228,352.08 - Step 4: Simplify right side
409,653.84x = 129,082,105,653.49 - Step 5: Solve for x
x = 129,082,105,653.49/409,653.84 - Step 6: Final answer
x = 315,100.44
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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.