Finding the Fourth Proportional to 383,442.29, 529,154.08 and 211,366.96
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Solution
The fourth proportional to 383,442.29, 529,154.08 and 211,366.96 is: 291,688.46
Step by Step Solution
- Step 1: Write the proportion equation
383,442.29 : 529,154.08 = 211,366.96 : x - Step 2: Convert to fraction form
383,442.29/529,154.08 = 211,366.96/x - Step 3: Cross multiply
383,442.29x = 529,154.08 × 211,366.96 - Step 4: Simplify right side
383,442.29x = 111,845,689,261.20 - Step 5: Solve for x
x = 111,845,689,261.20/383,442.29 - Step 6: Final answer
x = 291,688.46
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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.