Finding the Fourth Proportional to 415,377.40, 573,220.44 and 224,390.74
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Solution
The fourth proportional to 415,377.40, 573,220.44 and 224,390.74 is: 309,659.02
Step by Step Solution
- Step 1: Write the proportion equation
415,377.40 : 573,220.44 = 224,390.74 : x - Step 2: Convert to fraction form
415,377.40/573,220.44 = 224,390.74/x - Step 3: Cross multiply
415,377.40x = 573,220.44 × 224,390.74 - Step 4: Simplify right side
415,377.40x = 128,625,358,714.73 - Step 5: Solve for x
x = 128,625,358,714.73/415,377.40 - Step 6: Final answer
x = 309,659.02
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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.