Finding the Fourth Proportional to 292,799.80, 438,908.10 and 134,752.60
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Solution
The fourth proportional to 292,799.80, 438,908.10 and 134,752.60 is: 201,994.70
Step by Step Solution
- Step 1: Write the proportion equation
292,799.80 : 438,908.10 = 134,752.60 : x - Step 2: Convert to fraction form
292,799.80/438,908.10 = 134,752.60/x - Step 3: Cross multiply
292,799.80x = 438,908.10 × 134,752.60 - Step 4: Simplify right side
292,799.80x = 59,144,007,636.06 - Step 5: Solve for x
x = 59,144,007,636.06/292,799.80 - Step 6: Final answer
x = 201,994.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.