Finding the Fourth Proportional to 447,123.18, 616,608.18 and 293,890.62
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Solution
The fourth proportional to 447,123.18, 616,608.18 and 293,890.62 is: 405,291.80
Step by Step Solution
- Step 1: Write the proportion equation
447,123.18 : 616,608.18 = 293,890.62 : x - Step 2: Convert to fraction form
447,123.18/616,608.18 = 293,890.62/x - Step 3: Cross multiply
447,123.18x = 616,608.18 × 293,890.62 - Step 4: Simplify right side
447,123.18x = 181,215,360,317.27 - Step 5: Solve for x
x = 181,215,360,317.27/447,123.18 - Step 6: Final answer
x = 405,291.80
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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.