Finding the Fourth Proportional to 303,975.40, 455,963.10 and 93,677.80
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Solution
The fourth proportional to 303,975.40, 455,963.10 and 93,677.80 is: 140,516.70
Step by Step Solution
- Step 1: Write the proportion equation
303,975.40 : 455,963.10 = 93,677.80 : x - Step 2: Convert to fraction form
303,975.40/455,963.10 = 93,677.80/x - Step 3: Cross multiply
303,975.40x = 455,963.10 × 93,677.80 - Step 4: Simplify right side
303,975.40x = 42,713,620,089.18 - Step 5: Solve for x
x = 42,713,620,089.18/303,975.40 - Step 6: Final answer
x = 140,516.70
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1.5x scale
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.