Finding the Fourth Proportional to 84,340.45, 116,397.23 and 46,621.99
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Solution
The fourth proportional to 84,340.45, 116,397.23 and 46,621.99 is: 64,342.44
Step by Step Solution
- Step 1: Write the proportion equation
84,340.45 : 116,397.23 = 46,621.99 : x - Step 2: Convert to fraction form
84,340.45/116,397.23 = 46,621.99/x - Step 3: Cross multiply
84,340.45x = 116,397.23 × 46,621.99 - Step 4: Simplify right side
84,340.45x = 5,426,669,677.99 - Step 5: Solve for x
x = 5,426,669,677.99/84,340.45 - Step 6: Final answer
x = 64,342.44
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1.5x scale
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.