Finding the Fourth Proportional to 324,329.99, 447,603.05 and 181,117.70
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Solution
The fourth proportional to 324,329.99, 447,603.05 and 181,117.70 is: 249,957.87
Step by Step Solution
- Step 1: Write the proportion equation
324,329.99 : 447,603.05 = 181,117.70 : x - Step 2: Convert to fraction form
324,329.99/447,603.05 = 181,117.70/x - Step 3: Cross multiply
324,329.99x = 447,603.05 × 181,117.70 - Step 4: Simplify right side
324,329.99x = 81,068,831,785.38 - Step 5: Solve for x
x = 81,068,831,785.38/324,329.99 - Step 6: Final answer
x = 249,957.87
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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.