Finding the Fourth Proportional to 384,113.70, 529,777.17 and 246,305.70
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Solution
The fourth proportional to 384,113.70, 529,777.17 and 246,305.70 is: 339,709.67
Step by Step Solution
- Step 1: Write the proportion equation
384,113.70 : 529,777.17 = 246,305.70 : x - Step 2: Convert to fraction form
384,113.70/529,777.17 = 246,305.70/x - Step 3: Cross multiply
384,113.70x = 529,777.17 × 246,305.70 - Step 4: Simplify right side
384,113.70x = 130,487,136,700.87 - Step 5: Solve for x
x = 130,487,136,700.87/384,113.70 - Step 6: Final answer
x = 339,709.67
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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.