Finding the Fourth Proportional to 163,392.60, 245,088.90 and 69,907.80
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Solution
The fourth proportional to 163,392.60, 245,088.90 and 69,907.80 is: 104,861.70
Step by Step Solution
- Step 1: Write the proportion equation
163,392.60 : 245,088.90 = 69,907.80 : x - Step 2: Convert to fraction form
163,392.60/245,088.90 = 69,907.80/x - Step 3: Cross multiply
163,392.60x = 245,088.90 × 69,907.80 - Step 4: Simplify right side
163,392.60x = 17,133,625,803.42 - Step 5: Solve for x
x = 17,133,625,803.42/163,392.60 - Step 6: Final answer
x = 104,861.70
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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.