Finding the Fourth Proportional to 122,400.36, 183,428.13 and 97,329.12
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Solution
The fourth proportional to 122,400.36, 183,428.13 and 97,329.12 is: 145,856.58
Step by Step Solution
- Step 1: Write the proportion equation
122,400.36 : 183,428.13 = 97,329.12 : x - Step 2: Convert to fraction form
122,400.36/183,428.13 = 97,329.12/x - Step 3: Cross multiply
122,400.36x = 183,428.13 × 97,329.12 - Step 4: Simplify right side
122,400.36x = 17,852,898,476.15 - Step 5: Solve for x
x = 17,852,898,476.15/122,400.36 - Step 6: Final answer
x = 145,856.58
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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.