Finding the Fourth Proportional to 651,805.70, 977,416.95 and 252,313.70
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Solution
The fourth proportional to 651,805.70, 977,416.95 and 252,313.70 is: 378,357.67
Step by Step Solution
- Step 1: Write the proportion equation
651,805.70 : 977,416.95 = 252,313.70 : x - Step 2: Convert to fraction form
651,805.70/977,416.95 = 252,313.70/x - Step 3: Cross multiply
651,805.70x = 977,416.95 × 252,313.70 - Step 4: Simplify right side
651,805.70x = 246,615,687,097.22 - Step 5: Solve for x
x = 246,615,687,097.22/651,805.70 - Step 6: Final answer
x = 378,357.67
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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.