Finding the Fourth Proportional to 205,743.55, 288,237.80 and 205,743.55
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Solution
The fourth proportional to 205,743.55, 288,237.80 and 205,743.55 is: 288,237.80
Step by Step Solution
- Step 1: Write the proportion equation
205,743.55 : 288,237.80 = 205,743.55 : x - Step 2: Convert to fraction form
205,743.55/288,237.80 = 205,743.55/x - Step 3: Cross multiply
205,743.55x = 288,237.80 × 205,743.55 - Step 4: Simplify right side
205,743.55x = 59,303,068,216.19 - Step 5: Solve for x
x = 59,303,068,216.19/205,743.55 - Step 6: Final answer
x = 288,237.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.