Finding the Fourth Proportional to 168,010.40, 251,497.20 and 97,680.80
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Solution
The fourth proportional to 168,010.40, 251,497.20 and 97,680.80 is: 146,219.80
Step by Step Solution
- Step 1: Write the proportion equation
168,010.40 : 251,497.20 = 97,680.80 : x - Step 2: Convert to fraction form
168,010.40/251,497.20 = 97,680.80/x - Step 3: Cross multiply
168,010.40x = 251,497.20 × 97,680.80 - Step 4: Simplify right side
168,010.40x = 24,566,447,693.76 - Step 5: Solve for x
x = 24,566,447,693.76/168,010.40 - Step 6: Final answer
x = 146,219.80
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1.5x scale
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.