Finding the Fourth Proportional to 472,311.81, 651,766.50 and 268,335.99
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Solution
The fourth proportional to 472,311.81, 651,766.50 and 268,335.99 is: 370,290.15
Step by Step Solution
- Step 1: Write the proportion equation
472,311.81 : 651,766.50 = 268,335.99 : x - Step 2: Convert to fraction form
472,311.81/651,766.50 = 268,335.99/x - Step 3: Cross multiply
472,311.81x = 651,766.50 × 268,335.99 - Step 4: Simplify right side
472,311.81x = 174,892,409,026.34 - Step 5: Solve for x
x = 174,892,409,026.34/472,311.81 - Step 6: Final answer
x = 370,290.15
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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.