Finding the Fourth Proportional to 168,330.48, 252,519.84 and 55,973.76
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Solution
The fourth proportional to 168,330.48, 252,519.84 and 55,973.76 is: 83,968.66
Step by Step Solution
- Step 1: Write the proportion equation
168,330.48 : 252,519.84 = 55,973.76 : x - Step 2: Convert to fraction form
168,330.48/252,519.84 = 55,973.76/x - Step 3: Cross multiply
168,330.48x = 252,519.84 × 55,973.76 - Step 4: Simplify right side
168,330.48x = 14,134,484,919.40 - Step 5: Solve for x
x = 14,134,484,919.40/168,330.48 - Step 6: Final answer
x = 83,968.66
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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.