Finding the Fourth Proportional to 247,457.19, 341,491.83 and 134,279.94
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Solution
The fourth proportional to 247,457.19, 341,491.83 and 134,279.94 is: 185,306.81
Step by Step Solution
- Step 1: Write the proportion equation
247,457.19 : 341,491.83 = 134,279.94 : x - Step 2: Convert to fraction form
247,457.19/341,491.83 = 134,279.94/x - Step 3: Cross multiply
247,457.19x = 341,491.83 × 134,279.94 - Step 4: Simplify right side
247,457.19x = 45,855,502,442.89 - Step 5: Solve for x
x = 45,855,502,442.89/247,457.19 - Step 6: Final answer
x = 185,306.81
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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.