Finding the Fourth Proportional to 207,325.80, 310,988.70 and 102,349.80
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Solution
The fourth proportional to 207,325.80, 310,988.70 and 102,349.80 is: 153,524.70
Step by Step Solution
- Step 1: Write the proportion equation
207,325.80 : 310,988.70 = 102,349.80 : x - Step 2: Convert to fraction form
207,325.80/310,988.70 = 102,349.80/x - Step 3: Cross multiply
207,325.80x = 310,988.70 × 102,349.80 - Step 4: Simplify right side
207,325.80x = 31,829,631,247.26 - Step 5: Solve for x
x = 31,829,631,247.26/207,325.80 - Step 6: Final answer
x = 153,524.70
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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.