Finding the Fourth Proportional to 314,697.99, 434,444.05 and 213,259.39
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Solution
The fourth proportional to 314,697.99, 434,444.05 and 213,259.39 is: 294,406.94
Step by Step Solution
- Step 1: Write the proportion equation
314,697.99 : 434,444.05 = 213,259.39 : x - Step 2: Convert to fraction form
314,697.99/434,444.05 = 213,259.39/x - Step 3: Cross multiply
314,697.99x = 434,444.05 × 213,259.39 - Step 4: Simplify right side
314,697.99x = 92,649,273,092.13 - Step 5: Solve for x
x = 92,649,273,092.13/314,697.99 - Step 6: Final answer
x = 294,406.94
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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.