Finding the Fourth Proportional to 194,567.84, 268,503.92 and 105,143.84
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Solution
The fourth proportional to 194,567.84, 268,503.92 and 105,143.84 is: 145,098.66
Step by Step Solution
- Step 1: Write the proportion equation
194,567.84 : 268,503.92 = 105,143.84 : x - Step 2: Convert to fraction form
194,567.84/268,503.92 = 105,143.84/x - Step 3: Cross multiply
194,567.84x = 268,503.92 × 105,143.84 - Step 4: Simplify right side
194,567.84x = 28,231,533,203.85 - Step 5: Solve for x
x = 28,231,533,203.85/194,567.84 - Step 6: Final answer
x = 145,098.66
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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.