Finding the Fourth Proportional to 453,368.55, 679,492.30 and 228,793.24
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Solution
The fourth proportional to 453,368.55, 679,492.30 and 228,793.24 is: 342,906.99
Step by Step Solution
- Step 1: Write the proportion equation
453,368.55 : 679,492.30 = 228,793.24 : x - Step 2: Convert to fraction form
453,368.55/679,492.30 = 228,793.24/x - Step 3: Cross multiply
453,368.55x = 679,492.30 × 228,793.24 - Step 4: Simplify right side
453,368.55x = 155,463,244,872.05 - Step 5: Solve for x
x = 155,463,244,872.05/453,368.55 - Step 6: Final answer
x = 342,906.99
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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.