Finding the Fourth Proportional to 423,415.68, 634,293.11 and 245,549.01
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Solution
The fourth proportional to 423,415.68, 634,293.11 and 245,549.01 is: 367,841.94
Step by Step Solution
- Step 1: Write the proportion equation
423,415.68 : 634,293.11 = 245,549.01 : x - Step 2: Convert to fraction form
423,415.68/634,293.11 = 245,549.01/x - Step 3: Cross multiply
423,415.68x = 634,293.11 × 245,549.01 - Step 4: Simplify right side
423,415.68x = 155,750,043,982.58 - Step 5: Solve for x
x = 155,750,043,982.58/423,415.68 - Step 6: Final answer
x = 367,841.94
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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.