Finding the Fourth Proportional to 272,486.70, 408,730.05 and 239,244.30
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Solution
The fourth proportional to 272,486.70, 408,730.05 and 239,244.30 is: 358,866.45
Step by Step Solution
- Step 1: Write the proportion equation
272,486.70 : 408,730.05 = 239,244.30 : x - Step 2: Convert to fraction form
272,486.70/408,730.05 = 239,244.30/x - Step 3: Cross multiply
272,486.70x = 408,730.05 × 239,244.30 - Step 4: Simplify right side
272,486.70x = 97,786,334,701.22 - Step 5: Solve for x
x = 97,786,334,701.22/272,486.70 - Step 6: Final answer
x = 358,866.45
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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.