Finding the Fourth Proportional to 163,317.05, 245,010.57 and 56,704.38
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Solution
The fourth proportional to 163,317.05, 245,010.57 and 56,704.38 is: 85,068.72
Step by Step Solution
- Step 1: Write the proportion equation
163,317.05 : 245,010.57 = 56,704.38 : x - Step 2: Convert to fraction form
163,317.05/245,010.57 = 56,704.38/x - Step 3: Cross multiply
163,317.05x = 245,010.57 × 56,704.38 - Step 4: Simplify right side
163,317.05x = 13,893,172,465.30 - Step 5: Solve for x
x = 13,893,172,465.30/163,317.05 - Step 6: Final answer
x = 85,068.72
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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.