Finding the Fourth Proportional to 169,911.74, 234,484.23 and 93,436.70
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Solution
The fourth proportional to 169,911.74, 234,484.23 and 93,436.70 is: 128,945.96
Step by Step Solution
- Step 1: Write the proportion equation
169,911.74 : 234,484.23 = 93,436.70 : x - Step 2: Convert to fraction form
169,911.74/234,484.23 = 93,436.70/x - Step 3: Cross multiply
169,911.74x = 234,484.23 × 93,436.70 - Step 4: Simplify right side
169,911.74x = 21,909,432,653.24 - Step 5: Solve for x
x = 21,909,432,653.24/169,911.74 - Step 6: Final answer
x = 128,945.96
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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.