Finding the Fourth Proportional to 268,335.30, 402,551.55 and 134,879.70
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Solution
The fourth proportional to 268,335.30, 402,551.55 and 134,879.70 is: 202,343.98
Step by Step Solution
- Step 1: Write the proportion equation
268,335.30 : 402,551.55 = 134,879.70 : x - Step 2: Convert to fraction form
268,335.30/402,551.55 = 134,879.70/x - Step 3: Cross multiply
268,335.30x = 402,551.55 × 134,879.70 - Step 4: Simplify right side
268,335.30x = 54,296,032,298.54 - Step 5: Solve for x
x = 54,296,032,298.54/268,335.30 - Step 6: Final answer
x = 202,343.98
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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.