Finding the Fourth Proportional to 272,282.40, 408,423.60 and 202,298.40
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Solution
The fourth proportional to 272,282.40, 408,423.60 and 202,298.40 is: 303,447.60
Step by Step Solution
- Step 1: Write the proportion equation
272,282.40 : 408,423.60 = 202,298.40 : x - Step 2: Convert to fraction form
272,282.40/408,423.60 = 202,298.40/x - Step 3: Cross multiply
272,282.40x = 408,423.60 × 202,298.40 - Step 4: Simplify right side
272,282.40x = 82,623,440,802.24 - Step 5: Solve for x
x = 82,623,440,802.24/272,282.40 - Step 6: Final answer
x = 303,447.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.