Finding the Fourth Proportional to 354,695.36, 532,130.72 and 105,376.96
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Solution
The fourth proportional to 354,695.36, 532,130.72 and 105,376.96 is: 158,091.49
Step by Step Solution
- Step 1: Write the proportion equation
354,695.36 : 532,130.72 = 105,376.96 : x - Step 2: Convert to fraction form
354,695.36/532,130.72 = 105,376.96/x - Step 3: Cross multiply
354,695.36x = 532,130.72 × 105,376.96 - Step 4: Simplify right side
354,695.36x = 56,074,317,596.21 - Step 5: Solve for x
x = 56,074,317,596.21/354,695.36 - Step 6: Final answer
x = 158,091.49
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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.