Finding the Fourth Proportional to 298,269.81, 411,630.08 and 170,953.59
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Solution
The fourth proportional to 298,269.81, 411,630.08 and 170,953.59 is: 235,926.12
Step by Step Solution
- Step 1: Write the proportion equation
298,269.81 : 411,630.08 = 170,953.59 : x - Step 2: Convert to fraction form
298,269.81/411,630.08 = 170,953.59/x - Step 3: Cross multiply
298,269.81x = 411,630.08 × 170,953.59 - Step 4: Simplify right side
298,269.81x = 70,369,639,073.22 - Step 5: Solve for x
x = 70,369,639,073.22/298,269.81 - Step 6: Final answer
x = 235,926.12
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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.