Finding the Fourth Proportional to 170,400.61, 235,114.95 and 97,799.05
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Solution
The fourth proportional to 170,400.61, 235,114.95 and 97,799.05 is: 134,940.94
Step by Step Solution
- Step 1: Write the proportion equation
170,400.61 : 235,114.95 = 97,799.05 : x - Step 2: Convert to fraction form
170,400.61/235,114.95 = 97,799.05/x - Step 3: Cross multiply
170,400.61x = 235,114.95 × 97,799.05 - Step 4: Simplify right side
170,400.61x = 22,994,018,088.92 - Step 5: Solve for x
x = 22,994,018,088.92/170,400.61 - Step 6: Final answer
x = 134,940.94
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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.