Finding the Fourth Proportional to 168,988.13, 233,214.84 and 97,372.74
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Solution
The fourth proportional to 168,988.13, 233,214.84 and 97,372.74 is: 134,380.85
Step by Step Solution
- Step 1: Write the proportion equation
168,988.13 : 233,214.84 = 97,372.74 : x - Step 2: Convert to fraction form
168,988.13/233,214.84 = 97,372.74/x - Step 3: Cross multiply
168,988.13x = 233,214.84 × 97,372.74 - Step 4: Simplify right side
168,988.13x = 22,708,767,492.60 - Step 5: Solve for x
x = 22,708,767,492.60/168,988.13 - Step 6: Final answer
x = 134,380.85
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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.