Finding the Fourth Proportional to 168,978.84, 233,242.68 and 97,406.64
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Solution
The fourth proportional to 168,978.84, 233,242.68 and 97,406.64 is: 134,451.07
Step by Step Solution
- Step 1: Write the proportion equation
168,978.84 : 233,242.68 = 97,406.64 : x - Step 2: Convert to fraction form
168,978.84/233,242.68 = 97,406.64/x - Step 3: Cross multiply
168,978.84x = 233,242.68 × 97,406.64 - Step 4: Simplify right side
168,978.84x = 22,719,385,763.40 - Step 5: Solve for x
x = 22,719,385,763.40/168,978.84 - Step 6: Final answer
x = 134,451.07
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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.