Finding the Fourth Proportional to 469,327.08, 647,705.70 and 268,118.76
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Solution
The fourth proportional to 469,327.08, 647,705.70 and 268,118.76 is: 370,023.50
Step by Step Solution
- Step 1: Write the proportion equation
469,327.08 : 647,705.70 = 268,118.76 : x - Step 2: Convert to fraction form
469,327.08/647,705.70 = 268,118.76/x - Step 3: Cross multiply
469,327.08x = 647,705.70 × 268,118.76 - Step 4: Simplify right side
469,327.08x = 173,662,049,128.93 - Step 5: Solve for x
x = 173,662,049,128.93/469,327.08 - Step 6: Final answer
x = 370,023.50
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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.