Finding the Fourth Proportional to 415,424.22, 573,284.70 and 224,437.02
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Solution
The fourth proportional to 415,424.22, 573,284.70 and 224,437.02 is: 309,722.70
Step by Step Solution
- Step 1: Write the proportion equation
415,424.22 : 573,284.70 = 224,437.02 : x - Step 2: Convert to fraction form
415,424.22/573,284.70 = 224,437.02/x - Step 3: Cross multiply
415,424.22x = 573,284.70 × 224,437.02 - Step 4: Simplify right side
415,424.22x = 128,666,309,679.59 - Step 5: Solve for x
x = 128,666,309,679.59/415,424.22 - Step 6: Final answer
x = 309,722.70
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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.