Finding the Fourth Proportional to 453,295.20, 679,942.80 and 137,711.10
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Solution
The fourth proportional to 453,295.20, 679,942.80 and 137,711.10 is: 206,566.65
Step by Step Solution
- Step 1: Write the proportion equation
453,295.20 : 679,942.80 = 137,711.10 : x - Step 2: Convert to fraction form
453,295.20/679,942.80 = 137,711.10/x - Step 3: Cross multiply
453,295.20x = 679,942.80 × 137,711.10 - Step 4: Simplify right side
453,295.20x = 93,635,670,925.08 - Step 5: Solve for x
x = 93,635,670,925.08/453,295.20 - Step 6: Final answer
x = 206,566.65
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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.