Finding the Fourth Proportional to 235,737.41, 325,318.98 and 128,307.19
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Solution
The fourth proportional to 235,737.41, 325,318.98 and 128,307.19 is: 177,064.66
Step by Step Solution
- Step 1: Write the proportion equation
235,737.41 : 325,318.98 = 128,307.19 : x - Step 2: Convert to fraction form
235,737.41/325,318.98 = 128,307.19/x - Step 3: Cross multiply
235,737.41x = 325,318.98 × 128,307.19 - Step 4: Simplify right side
235,737.41x = 41,740,764,455.29 - Step 5: Solve for x
x = 41,740,764,455.29/235,737.41 - Step 6: Final answer
x = 177,064.66
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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.