Finding the Fourth Proportional to 310,221.08, 465,313.14 and 110,530.88
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Solution
The fourth proportional to 310,221.08, 465,313.14 and 110,530.88 is: 165,789.74
Step by Step Solution
- Step 1: Write the proportion equation
310,221.08 : 465,313.14 = 110,530.88 : x - Step 2: Convert to fraction form
310,221.08/465,313.14 = 110,530.88/x - Step 3: Cross multiply
310,221.08x = 465,313.14 × 110,530.88 - Step 4: Simplify right side
310,221.08x = 51,431,470,839.76 - Step 5: Solve for x
x = 51,431,470,839.76/310,221.08 - Step 6: Final answer
x = 165,789.74
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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.