Finding the Fourth Proportional to 408,340.44, 611,886.96 and 171,553.68
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Solution
The fourth proportional to 408,340.44, 611,886.96 and 171,553.68 is: 257,068.49
Step by Step Solution
- Step 1: Write the proportion equation
408,340.44 : 611,886.96 = 171,553.68 : x - Step 2: Convert to fraction form
408,340.44/611,886.96 = 171,553.68/x - Step 3: Cross multiply
408,340.44x = 611,886.96 × 171,553.68 - Step 4: Simplify right side
408,340.44x = 104,971,459,732.01 - Step 5: Solve for x
x = 104,971,459,732.01/408,340.44 - Step 6: Final answer
x = 257,068.49
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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.