Finding the Fourth Proportional to 368,643.42, 508,728.96 and 207,500.94
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Solution
The fourth proportional to 368,643.42, 508,728.96 and 207,500.94 is: 286,351.88
Step by Step Solution
- Step 1: Write the proportion equation
368,643.42 : 508,728.96 = 207,500.94 : x - Step 2: Convert to fraction form
368,643.42/508,728.96 = 207,500.94/x - Step 3: Cross multiply
368,643.42x = 508,728.96 × 207,500.94 - Step 4: Simplify right side
368,643.42x = 105,561,737,405.22 - Step 5: Solve for x
x = 105,561,737,405.22/368,643.42 - Step 6: Final answer
x = 286,351.88
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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.