Finding the Fourth Proportional to 163,315.67, 245,008.51 and 56,702.99
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Solution
The fourth proportional to 163,315.67, 245,008.51 and 56,702.99 is: 85,066.64
Step by Step Solution
- Step 1: Write the proportion equation
163,315.67 : 245,008.51 = 56,702.99 : x - Step 2: Convert to fraction form
163,315.67/245,008.51 = 56,702.99/x - Step 3: Cross multiply
163,315.67x = 245,008.51 × 56,702.99 - Step 4: Simplify right side
163,315.67x = 13,892,715,563.21 - Step 5: Solve for x
x = 13,892,715,563.21/163,315.67 - Step 6: Final answer
x = 85,066.64
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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.