Finding the Fourth Proportional to 512,122.18, 767,937.44 and 242,025.20
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Solution
The fourth proportional to 512,122.18, 767,937.44 and 242,025.20 is: 362,921.62
Step by Step Solution
- Step 1: Write the proportion equation
512,122.18 : 767,937.44 = 242,025.20 : x - Step 2: Convert to fraction form
512,122.18/767,937.44 = 242,025.20/x - Step 3: Cross multiply
512,122.18x = 767,937.44 × 242,025.20 - Step 4: Simplify right side
512,122.18x = 185,860,212,503.49 - Step 5: Solve for x
x = 185,860,212,503.49/512,122.18 - Step 6: Final answer
x = 362,921.62
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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.