Finding the Fourth Proportional to 177,916.94, 245,501.13 and 106,281.75
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Solution
The fourth proportional to 177,916.94, 245,501.13 and 106,281.75 is: 146,654.33
Step by Step Solution
- Step 1: Write the proportion equation
177,916.94 : 245,501.13 = 106,281.75 : x - Step 2: Convert to fraction form
177,916.94/245,501.13 = 106,281.75/x - Step 3: Cross multiply
177,916.94x = 245,501.13 × 106,281.75 - Step 4: Simplify right side
177,916.94x = 26,092,289,723.38 - Step 5: Solve for x
x = 26,092,289,723.38/177,916.94 - Step 6: Final answer
x = 146,654.33
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1.5x scale
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.