Finding the Fourth Proportional to 445,275.92, 668,132.92 and 208,577.68
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Solution
The fourth proportional to 445,275.92, 668,132.92 and 208,577.68 is: 312,969.12
Step by Step Solution
- Step 1: Write the proportion equation
445,275.92 : 668,132.92 = 208,577.68 : x - Step 2: Convert to fraction form
445,275.92/668,132.92 = 208,577.68/x - Step 3: Cross multiply
445,275.92x = 668,132.92 × 208,577.68 - Step 4: Simplify right side
445,275.92x = 139,357,614,385.23 - Step 5: Solve for x
x = 139,357,614,385.23/445,275.92 - Step 6: Final answer
x = 312,969.12
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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.