Finding the Fourth Proportional to 168,564.68, 252,698.60 and 68,808.74
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Solution
The fourth proportional to 168,564.68, 252,698.60 and 68,808.74 is: 103,152.52
Step by Step Solution
- Step 1: Write the proportion equation
168,564.68 : 252,698.60 = 68,808.74 : x - Step 2: Convert to fraction form
168,564.68/252,698.60 = 68,808.74/x - Step 3: Cross multiply
168,564.68x = 252,698.60 × 68,808.74 - Step 4: Simplify right side
168,564.68x = 17,387,872,265.76 - Step 5: Solve for x
x = 17,387,872,265.76/168,564.68 - Step 6: Final answer
x = 103,152.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.