Finding the Fourth Proportional to 512,328.42, 768,358.49 and 152,402.29
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Solution
The fourth proportional to 512,328.42, 768,358.49 and 152,402.29 is: 228,563.54
Step by Step Solution
- Step 1: Write the proportion equation
512,328.42 : 768,358.49 = 152,402.29 : x - Step 2: Convert to fraction form
512,328.42/768,358.49 = 152,402.29/x - Step 3: Cross multiply
512,328.42x = 768,358.49 × 152,402.29 - Step 4: Simplify right side
512,328.42x = 117,099,595,913.31 - Step 5: Solve for x
x = 117,099,595,913.31/512,328.42 - Step 6: Final answer
x = 228,563.54
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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.