Finding the Fourth Proportional to 157,465.40, 236,198.10 and 94,479.80
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Solution
The fourth proportional to 157,465.40, 236,198.10 and 94,479.80 is: 141,719.70
Step by Step Solution
- Step 1: Write the proportion equation
157,465.40 : 236,198.10 = 94,479.80 : x - Step 2: Convert to fraction form
157,465.40/236,198.10 = 94,479.80/x - Step 3: Cross multiply
157,465.40x = 236,198.10 × 94,479.80 - Step 4: Simplify right side
157,465.40x = 22,315,949,248.38 - Step 5: Solve for x
x = 22,315,949,248.38/157,465.40 - Step 6: Final answer
x = 141,719.70
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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.