Finding the Fourth Proportional to 368,390.22, 508,349.43 and 207,213.18
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Solution
The fourth proportional to 368,390.22, 508,349.43 and 207,213.18 is: 285,937.83
Step by Step Solution
- Step 1: Write the proportion equation
368,390.22 : 508,349.43 = 207,213.18 : x - Step 2: Convert to fraction form
368,390.22/508,349.43 = 207,213.18/x - Step 3: Cross multiply
368,390.22x = 508,349.43 × 207,213.18 - Step 4: Simplify right side
368,390.22x = 105,336,701,941.49 - Step 5: Solve for x
x = 105,336,701,941.49/368,390.22 - Step 6: Final answer
x = 285,937.83
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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.