Finding the Fourth Proportional to 163,031.73, 224,986.09 and 98,491.99
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Solution
The fourth proportional to 163,031.73, 224,986.09 and 98,491.99 is: 135,920.33
Step by Step Solution
- Step 1: Write the proportion equation
163,031.73 : 224,986.09 = 98,491.99 : x - Step 2: Convert to fraction form
163,031.73/224,986.09 = 98,491.99/x - Step 3: Cross multiply
163,031.73x = 224,986.09 × 98,491.99 - Step 4: Simplify right side
163,031.73x = 22,159,327,233.96 - Step 5: Solve for x
x = 22,159,327,233.96/163,031.73 - Step 6: Final answer
x = 135,920.33
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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.