Finding the Fourth Proportional to 217,359.18, 299,803.95 and 210,043.62
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Solution
The fourth proportional to 217,359.18, 299,803.95 and 210,043.62 is: 289,713.58
Step by Step Solution
- Step 1: Write the proportion equation
217,359.18 : 299,803.95 = 210,043.62 : x - Step 2: Convert to fraction form
217,359.18/299,803.95 = 210,043.62/x - Step 3: Cross multiply
217,359.18x = 299,803.95 × 210,043.62 - Step 4: Simplify right side
217,359.18x = 62,971,906,948.30 - Step 5: Solve for x
x = 62,971,906,948.30/217,359.18 - Step 6: Final answer
x = 289,713.58
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1.5x scale
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.