Finding the Fourth Proportional to 478,124.44, 717,309.78 and 178,607.09
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Solution
The fourth proportional to 478,124.44, 717,309.78 and 178,607.09 is: 267,956.63
Step by Step Solution
- Step 1: Write the proportion equation
478,124.44 : 717,309.78 = 178,607.09 : x - Step 2: Convert to fraction form
478,124.44/717,309.78 = 178,607.09/x - Step 3: Cross multiply
478,124.44x = 717,309.78 × 178,607.09 - Step 4: Simplify right side
478,124.44x = 128,116,613,557.84 - Step 5: Solve for x
x = 128,116,613,557.84/478,124.44 - Step 6: Final answer
x = 267,956.63
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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.