Finding the Fourth Proportional to 371,272.07, 512,312.94 and 207,905.80
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Solution
The fourth proportional to 371,272.07, 512,312.94 and 207,905.80 is: 286,886.20
Step by Step Solution
- Step 1: Write the proportion equation
371,272.07 : 512,312.94 = 207,905.80 : x - Step 2: Convert to fraction form
371,272.07/512,312.94 = 207,905.80/x - Step 3: Cross multiply
371,272.07x = 512,312.94 × 207,905.80 - Step 4: Simplify right side
371,272.07x = 106,512,831,641.05 - Step 5: Solve for x
x = 106,512,831,641.05/371,272.07 - Step 6: Final answer
x = 286,886.20
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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.