Finding the Fourth Proportional to 451,748.58, 623,526.51 and 306,799.68
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Solution
The fourth proportional to 451,748.58, 623,526.51 and 306,799.68 is: 423,460.62
Step by Step Solution
- Step 1: Write the proportion equation
451,748.58 : 623,526.51 = 306,799.68 : x - Step 2: Convert to fraction form
451,748.58/623,526.51 = 306,799.68/x - Step 3: Cross multiply
451,748.58x = 623,526.51 × 306,799.68 - Step 4: Simplify right side
451,748.58x = 191,297,733,739.52 - Step 5: Solve for x
x = 191,297,733,739.52/451,748.58 - Step 6: Final answer
x = 423,460.62
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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.