Finding the Fourth Proportional to 457,492.18, 686,426.46 and 201,192.84
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Solution
The fourth proportional to 457,492.18, 686,426.46 and 201,192.84 is: 301,872.02
Step by Step Solution
- Step 1: Write the proportion equation
457,492.18 : 686,426.46 = 201,192.84 : x - Step 2: Convert to fraction form
457,492.18/686,426.46 = 201,192.84/x - Step 3: Cross multiply
457,492.18x = 686,426.46 × 201,192.84 - Step 4: Simplify right side
457,492.18x = 138,104,088,938.55 - Step 5: Solve for x
x = 138,104,088,938.55/457,492.18 - Step 6: Final answer
x = 301,872.02
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1.5x scale
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.