Finding the Fourth Proportional to 163,784.79, 245,624.94 and 63,920.70
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Solution
The fourth proportional to 163,784.79, 245,624.94 and 63,920.70 is: 95,860.66
Step by Step Solution
- Step 1: Write the proportion equation
163,784.79 : 245,624.94 = 63,920.70 : x - Step 2: Convert to fraction form
163,784.79/245,624.94 = 63,920.70/x - Step 3: Cross multiply
163,784.79x = 245,624.94 × 63,920.70 - Step 4: Simplify right side
163,784.79x = 15,700,518,102.26 - Step 5: Solve for x
x = 15,700,518,102.26/163,784.79 - Step 6: Final answer
x = 95,860.66
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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.