Finding the Fourth Proportional to 207,237.20, 310,855.80 and 183,909.20
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Solution
The fourth proportional to 207,237.20, 310,855.80 and 183,909.20 is: 275,863.80
Step by Step Solution
- Step 1: Write the proportion equation
207,237.20 : 310,855.80 = 183,909.20 : x - Step 2: Convert to fraction form
207,237.20/310,855.80 = 183,909.20/x - Step 3: Cross multiply
207,237.20x = 310,855.80 × 183,909.20 - Step 4: Simplify right side
207,237.20x = 57,169,241,493.36 - Step 5: Solve for x
x = 57,169,241,493.36/207,237.20 - Step 6: Final answer
x = 275,863.80
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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.