Finding the Fourth Proportional to 631,379.05, 947,062.09 and 364,970.05
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Solution
The fourth proportional to 631,379.05, 947,062.09 and 364,970.05 is: 547,451.33
Step by Step Solution
- Step 1: Write the proportion equation
631,379.05 : 947,062.09 = 364,970.05 : x - Step 2: Convert to fraction form
631,379.05/947,062.09 = 364,970.05/x - Step 3: Cross multiply
631,379.05x = 947,062.09 × 364,970.05 - Step 4: Simplify right side
631,379.05x = 345,649,298,340.41 - Step 5: Solve for x
x = 345,649,298,340.41/631,379.05 - Step 6: Final answer
x = 547,451.33
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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.