Finding the Fourth Proportional to 502,172.18, 693,107.96 and 330,106.05
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Solution
The fourth proportional to 502,172.18, 693,107.96 and 330,106.05 is: 455,618.88
Step by Step Solution
- Step 1: Write the proportion equation
502,172.18 : 693,107.96 = 330,106.05 : x - Step 2: Convert to fraction form
502,172.18/693,107.96 = 330,106.05/x - Step 3: Cross multiply
502,172.18x = 693,107.96 × 330,106.05 - Step 4: Simplify right side
502,172.18x = 228,799,127,433.62 - Step 5: Solve for x
x = 228,799,127,433.62/502,172.18 - Step 6: Final answer
x = 455,618.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.