Finding the Fourth Proportional to 212,818.40, 319,228.76 and 63,059.99
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Solution
The fourth proportional to 212,818.40, 319,228.76 and 63,059.99 is: 94,590.32
Step by Step Solution
- Step 1: Write the proportion equation
212,818.40 : 319,228.76 = 63,059.99 : x - Step 2: Convert to fraction form
212,818.40/319,228.76 = 63,059.99/x - Step 3: Cross multiply
212,818.40x = 319,228.76 × 63,059.99 - Step 4: Simplify right side
212,818.40x = 20,130,561,299.94 - Step 5: Solve for x
x = 20,130,561,299.94/212,818.40 - Step 6: Final answer
x = 94,590.32
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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.