Finding the Fourth Proportional to 445,824.20, 615,237.36 and 254,841.68
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Solution
The fourth proportional to 445,824.20, 615,237.36 and 254,841.68 is: 351,681.50
Step by Step Solution
- Step 1: Write the proportion equation
445,824.20 : 615,237.36 = 254,841.68 : x - Step 2: Convert to fraction form
445,824.20/615,237.36 = 254,841.68/x - Step 3: Cross multiply
445,824.20x = 615,237.36 × 254,841.68 - Step 4: Simplify right side
445,824.20x = 156,788,122,421.17 - Step 5: Solve for x
x = 156,788,122,421.17/445,824.20 - Step 6: Final answer
x = 351,681.50
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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.