Finding the Fourth Proportional to 168,862.25, 253,380.68 and 74,159.00
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Solution
The fourth proportional to 168,862.25, 253,380.68 and 74,159.00 is: 111,276.84
Step by Step Solution
- Step 1: Write the proportion equation
168,862.25 : 253,380.68 = 74,159.00 : x - Step 2: Convert to fraction form
168,862.25/253,380.68 = 74,159.00/x - Step 3: Cross multiply
168,862.25x = 253,380.68 × 74,159.00 - Step 4: Simplify right side
168,862.25x = 18,790,456,210.42 - Step 5: Solve for x
x = 18,790,456,210.42/168,862.25 - Step 6: Final answer
x = 111,276.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.