Finding the Fourth Proportional to 547,594.68, 821,421.06 and 168,775.62
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Solution
The fourth proportional to 547,594.68, 821,421.06 and 168,775.62 is: 253,172.38
Step by Step Solution
- Step 1: Write the proportion equation
547,594.68 : 821,421.06 = 168,775.62 : x - Step 2: Convert to fraction form
547,594.68/821,421.06 = 168,775.62/x - Step 3: Cross multiply
547,594.68x = 821,421.06 × 168,775.62 - Step 4: Simplify right side
547,594.68x = 138,635,848,682.56 - Step 5: Solve for x
x = 138,635,848,682.56/547,594.68 - Step 6: Final answer
x = 253,172.38
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1.5x scale
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.