Finding the Fourth Proportional to 445,207.14, 668,029.95 and 208,508.94
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Solution
The fourth proportional to 445,207.14, 668,029.95 and 208,508.94 is: 312,866.09
Step by Step Solution
- Step 1: Write the proportion equation
445,207.14 : 668,029.95 = 208,508.94 : x - Step 2: Convert to fraction form
445,207.14/668,029.95 = 208,508.94/x - Step 3: Cross multiply
445,207.14x = 668,029.95 × 208,508.94 - Step 4: Simplify right side
445,207.14x = 139,290,216,762.75 - Step 5: Solve for x
x = 139,290,216,762.75/445,207.14 - Step 6: Final answer
x = 312,866.09
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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.