Finding the Fourth Proportional to 268,132.74, 370,026.19 and 147,276.82
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Solution
The fourth proportional to 268,132.74, 370,026.19 and 147,276.82 is: 203,243.66
Step by Step Solution
- Step 1: Write the proportion equation
268,132.74 : 370,026.19 = 147,276.82 : x - Step 2: Convert to fraction form
268,132.74/370,026.19 = 147,276.82/x - Step 3: Cross multiply
268,132.74x = 370,026.19 × 147,276.82 - Step 4: Simplify right side
268,132.74x = 54,496,280,579.92 - Step 5: Solve for x
x = 54,496,280,579.92/268,132.74 - Step 6: Final answer
x = 203,243.66
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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.