Finding the Fourth Proportional to 457,116.84, 630,803.80 and 250,381.92
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Solution
The fourth proportional to 457,116.84, 630,803.80 and 250,381.92 is: 345,517.50
Step by Step Solution
- Step 1: Write the proportion equation
457,116.84 : 630,803.80 = 250,381.92 : x - Step 2: Convert to fraction form
457,116.84/630,803.80 = 250,381.92/x - Step 3: Cross multiply
457,116.84x = 630,803.80 × 250,381.92 - Step 4: Simplify right side
457,116.84x = 157,941,866,587.30 - Step 5: Solve for x
x = 157,941,866,587.30/457,116.84 - Step 6: Final answer
x = 345,517.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.