Finding the Fourth Proportional to 163,539.66, 245,404.66 and 68,762.98
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Solution
The fourth proportional to 163,539.66, 245,404.66 and 68,762.98 is: 103,184.48
Step by Step Solution
- Step 1: Write the proportion equation
163,539.66 : 245,404.66 = 68,762.98 : x - Step 2: Convert to fraction form
163,539.66/245,404.66 = 68,762.98/x - Step 3: Cross multiply
163,539.66x = 245,404.66 × 68,762.98 - Step 4: Simplify right side
163,539.66x = 16,874,754,156.65 - Step 5: Solve for x
x = 16,874,754,156.65/163,539.66 - Step 6: Final answer
x = 103,184.48
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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.