Finding the Fourth Proportional to 219,169.52, 302,450.99 and 122,374.88
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Solution
The fourth proportional to 219,169.52, 302,450.99 and 122,374.88 is: 168,875.68
Step by Step Solution
- Step 1: Write the proportion equation
219,169.52 : 302,450.99 = 122,374.88 : x - Step 2: Convert to fraction form
219,169.52/302,450.99 = 122,374.88/x - Step 3: Cross multiply
219,169.52x = 302,450.99 × 122,374.88 - Step 4: Simplify right side
219,169.52x = 37,012,401,483.00 - Step 5: Solve for x
x = 37,012,401,483.00/219,169.52 - Step 6: Final answer
x = 168,875.68
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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.