Finding the Fourth Proportional to 168,750.20, 253,125.30 and 159,564.80
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Solution
The fourth proportional to 168,750.20, 253,125.30 and 159,564.80 is: 239,347.20
Step by Step Solution
- Step 1: Write the proportion equation
168,750.20 : 253,125.30 = 159,564.80 : x - Step 2: Convert to fraction form
168,750.20/253,125.30 = 159,564.80/x - Step 3: Cross multiply
168,750.20x = 253,125.30 × 159,564.80 - Step 4: Simplify right side
168,750.20x = 40,389,887,869.44 - Step 5: Solve for x
x = 40,389,887,869.44/168,750.20 - Step 6: Final answer
x = 239,347.20
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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.