Finding the Fourth Proportional to 207,235.70, 310,853.55 and 183,907.70
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Solution
The fourth proportional to 207,235.70, 310,853.55 and 183,907.70 is: 275,861.55
Step by Step Solution
- Step 1: Write the proportion equation
207,235.70 : 310,853.55 = 183,907.70 : x - Step 2: Convert to fraction form
207,235.70/310,853.55 = 183,907.70/x - Step 3: Cross multiply
207,235.70x = 310,853.55 × 183,907.70 - Step 4: Simplify right side
207,235.70x = 57,168,361,417.34 - Step 5: Solve for x
x = 57,168,361,417.34/207,235.70 - Step 6: Final answer
x = 275,861.55
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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.