Finding the Fourth Proportional to 135,425.75, 203,157.52 and 56,521.91
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Solution
The fourth proportional to 135,425.75, 203,157.52 and 56,521.91 is: 84,790.75
Step by Step Solution
- Step 1: Write the proportion equation
135,425.75 : 203,157.52 = 56,521.91 : x - Step 2: Convert to fraction form
135,425.75/203,157.52 = 56,521.91/x - Step 3: Cross multiply
135,425.75x = 203,157.52 × 56,521.91 - Step 4: Simplify right side
135,425.75x = 11,482,849,904.17 - Step 5: Solve for x
x = 11,482,849,904.17/135,425.75 - Step 6: Final answer
x = 84,790.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.