Finding the Fourth Proportional to 454,276.80, 681,415.20 and 154,657.80
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Solution
The fourth proportional to 454,276.80, 681,415.20 and 154,657.80 is: 231,986.70
Step by Step Solution
- Step 1: Write the proportion equation
454,276.80 : 681,415.20 = 154,657.80 : x - Step 2: Convert to fraction form
454,276.80/681,415.20 = 154,657.80/x - Step 3: Cross multiply
454,276.80x = 681,415.20 × 154,657.80 - Step 4: Simplify right side
454,276.80x = 105,386,175,718.56 - Step 5: Solve for x
x = 105,386,175,718.56/454,276.80 - Step 6: Final answer
x = 231,986.70
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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.