Finding the Fourth Proportional to 216,772.97, 299,101.70 and 148,765.05
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Solution
The fourth proportional to 216,772.97, 299,101.70 and 148,765.05 is: 205,264.89
Step by Step Solution
- Step 1: Write the proportion equation
216,772.97 : 299,101.70 = 148,765.05 : x - Step 2: Convert to fraction form
216,772.97/299,101.70 = 148,765.05/x - Step 3: Cross multiply
216,772.97x = 299,101.70 × 148,765.05 - Step 4: Simplify right side
216,772.97x = 44,495,878,611.76 - Step 5: Solve for x
x = 44,495,878,611.76/216,772.97 - Step 6: Final answer
x = 205,264.89
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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.