Finding the Fourth Proportional to 415,216.33, 572,998.53 and 224,229.71
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Solution
The fourth proportional to 415,216.33, 572,998.53 and 224,229.71 is: 309,436.99
Step by Step Solution
- Step 1: Write the proportion equation
415,216.33 : 572,998.53 = 224,229.71 : x - Step 2: Convert to fraction form
415,216.33/572,998.53 = 224,229.71/x - Step 3: Cross multiply
415,216.33x = 572,998.53 × 224,229.71 - Step 4: Simplify right side
415,216.33x = 128,483,292,188.20 - Step 5: Solve for x
x = 128,483,292,188.20/415,216.33 - Step 6: Final answer
x = 309,436.99
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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.