Finding the Fourth Proportional to 163,515.80, 245,273.70 and 154,767.80
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Solution
The fourth proportional to 163,515.80, 245,273.70 and 154,767.80 is: 232,151.70
Step by Step Solution
- Step 1: Write the proportion equation
163,515.80 : 245,273.70 = 154,767.80 : x - Step 2: Convert to fraction form
163,515.80/245,273.70 = 154,767.80/x - Step 3: Cross multiply
163,515.80x = 245,273.70 × 154,767.80 - Step 4: Simplify right side
163,515.80x = 37,960,470,946.86 - Step 5: Solve for x
x = 37,960,470,946.86/163,515.80 - Step 6: Final answer
x = 232,151.70
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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.