Finding the Fourth Proportional to 168,986.04, 233,211.99 and 97,370.70
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Solution
The fourth proportional to 168,986.04, 233,211.99 and 97,370.70 is: 134,378.05
Step by Step Solution
- Step 1: Write the proportion equation
168,986.04 : 233,211.99 = 97,370.70 : x - Step 2: Convert to fraction form
168,986.04/233,211.99 = 97,370.70/x - Step 3: Cross multiply
168,986.04x = 233,211.99 × 97,370.70 - Step 4: Simplify right side
168,986.04x = 22,708,014,714.69 - Step 5: Solve for x
x = 22,708,014,714.69/168,986.04 - Step 6: Final answer
x = 134,378.05
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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.