Finding the Fourth Proportional to 445,602.24, 668,442.69 and 125,756.94
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Solution
The fourth proportional to 445,602.24, 668,442.69 and 125,756.94 is: 188,646.51
Step by Step Solution
- Step 1: Write the proportion equation
445,602.24 : 668,442.69 = 125,756.94 : x - Step 2: Convert to fraction form
445,602.24/668,442.69 = 125,756.94/x - Step 3: Cross multiply
445,602.24x = 668,442.69 × 125,756.94 - Step 4: Simplify right side
445,602.24x = 84,061,307,259.77 - Step 5: Solve for x
x = 84,061,307,259.77/445,602.24 - Step 6: Final answer
x = 188,646.51
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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.