Finding the Fourth Proportional to 154,790.12, 232,288.74 and 56,294.12
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Solution
The fourth proportional to 154,790.12, 232,288.74 and 56,294.12 is: 84,478.84
Step by Step Solution
- Step 1: Write the proportion equation
154,790.12 : 232,288.74 = 56,294.12 : x - Step 2: Convert to fraction form
154,790.12/232,288.74 = 56,294.12/x - Step 3: Cross multiply
154,790.12x = 232,288.74 × 56,294.12 - Step 4: Simplify right side
154,790.12x = 13,076,490,204.21 - Step 5: Solve for x
x = 13,076,490,204.21/154,790.12 - Step 6: Final answer
x = 84,478.84
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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.