Finding the Fourth Proportional to 415,643.40, 573,588.14 and 224,657.15
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Solution
The fourth proportional to 415,643.40, 573,588.14 and 224,657.15 is: 310,026.99
Step by Step Solution
- Step 1: Write the proportion equation
415,643.40 : 573,588.14 = 224,657.15 : x - Step 2: Convert to fraction form
415,643.40/573,588.14 = 224,657.15/x - Step 3: Cross multiply
415,643.40x = 573,588.14 × 224,657.15 - Step 4: Simplify right side
415,643.40x = 128,860,672,814.98 - Step 5: Solve for x
x = 128,860,672,814.98/415,643.40 - Step 6: Final answer
x = 310,026.99
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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.