Finding the Fourth Proportional to 266,743.19, 368,465.05 and 213,409.55
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Solution
The fourth proportional to 266,743.19, 368,465.05 and 213,409.55 is: 294,792.76
Step by Step Solution
- Step 1: Write the proportion equation
266,743.19 : 368,465.05 = 213,409.55 : x - Step 2: Convert to fraction form
266,743.19/368,465.05 = 213,409.55/x - Step 3: Cross multiply
266,743.19x = 368,465.05 × 213,409.55 - Step 4: Simplify right side
266,743.19x = 78,633,961,699.15 - Step 5: Solve for x
x = 78,633,961,699.15/266,743.19 - Step 6: Final answer
x = 294,792.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.