Finding the Fourth Proportional to 103,026.18, 154,539.28 and 56,253.54
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Solution
The fourth proportional to 103,026.18, 154,539.28 and 56,253.54 is: 84,380.32
Step by Step Solution
- Step 1: Write the proportion equation
103,026.18 : 154,539.28 = 56,253.54 : x - Step 2: Convert to fraction form
103,026.18/154,539.28 = 56,253.54/x - Step 3: Cross multiply
103,026.18x = 154,539.28 × 56,253.54 - Step 4: Simplify right side
103,026.18x = 8,693,381,569.05 - Step 5: Solve for x
x = 8,693,381,569.05/103,026.18 - Step 6: Final answer
x = 84,380.32
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1.5x scale
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.