Finding the Fourth Proportional to 262,088.99, 393,133.99 and 72,549.90
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Solution
The fourth proportional to 262,088.99, 393,133.99 and 72,549.90 is: 108,824.98
Step by Step Solution
- Step 1: Write the proportion equation
262,088.99 : 393,133.99 = 72,549.90 : x - Step 2: Convert to fraction form
262,088.99/393,133.99 = 72,549.90/x - Step 3: Cross multiply
262,088.99x = 393,133.99 × 72,549.90 - Step 4: Simplify right side
262,088.99x = 28,521,829,695.43 - Step 5: Solve for x
x = 28,521,829,695.43/262,088.99 - Step 6: Final answer
x = 108,824.98
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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.