Finding the Fourth Proportional to 415,216.68, 572,999.01 and 224,230.05
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Solution
The fourth proportional to 415,216.68, 572,999.01 and 224,230.05 is: 309,437.46
Step by Step Solution
- Step 1: Write the proportion equation
415,216.68 : 572,999.01 = 224,230.05 : x - Step 2: Convert to fraction form
415,216.68/572,999.01 = 224,230.05/x - Step 3: Cross multiply
415,216.68x = 572,999.01 × 224,230.05 - Step 4: Simplify right side
415,216.68x = 128,483,596,662.25 - Step 5: Solve for x
x = 128,483,596,662.25/415,216.68 - Step 6: Final answer
x = 309,437.46
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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.