Finding the Fourth Proportional to 309,024.68, 426,497.26 and 223,261.22
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Solution
The fourth proportional to 309,024.68, 426,497.26 and 223,261.22 is: 308,131.70
Step by Step Solution
- Step 1: Write the proportion equation
309,024.68 : 426,497.26 = 223,261.22 : x - Step 2: Convert to fraction form
309,024.68/426,497.26 = 223,261.22/x - Step 3: Cross multiply
309,024.68x = 426,497.26 × 223,261.22 - Step 4: Simplify right side
309,024.68x = 95,220,298,594.26 - Step 5: Solve for x
x = 95,220,298,594.26/309,024.68 - Step 6: Final answer
x = 308,131.70
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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.