Finding the Fourth Proportional to 368,515.74, 508,512.51 and 207,367.98
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Solution
The fourth proportional to 368,515.74, 508,512.51 and 207,367.98 is: 286,145.75
Step by Step Solution
- Step 1: Write the proportion equation
368,515.74 : 508,512.51 = 207,367.98 : x - Step 2: Convert to fraction form
368,515.74/508,512.51 = 207,367.98/x - Step 3: Cross multiply
368,515.74x = 508,512.51 × 207,367.98 - Step 4: Simplify right side
368,515.74x = 105,449,212,003.43 - Step 5: Solve for x
x = 105,449,212,003.43/368,515.74 - Step 6: Final answer
x = 286,145.75
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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.