Finding the Fourth Proportional to 346,090.20, 519,135.30 and 251,611.80
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Solution
The fourth proportional to 346,090.20, 519,135.30 and 251,611.80 is: 377,417.70
Step by Step Solution
- Step 1: Write the proportion equation
346,090.20 : 519,135.30 = 251,611.80 : x - Step 2: Convert to fraction form
346,090.20/519,135.30 = 251,611.80/x - Step 3: Cross multiply
346,090.20x = 519,135.30 × 251,611.80 - Step 4: Simplify right side
346,090.20x = 130,620,567,276.54 - Step 5: Solve for x
x = 130,620,567,276.54/346,090.20 - Step 6: Final answer
x = 377,417.70
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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.