Finding the Fourth Proportional to 415,356.69, 573,192.74 and 224,370.08
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Solution
The fourth proportional to 415,356.69, 573,192.74 and 224,370.08 is: 309,630.98
Step by Step Solution
- Step 1: Write the proportion equation
415,356.69 : 573,192.74 = 224,370.08 : x - Step 2: Convert to fraction form
415,356.69/573,192.74 = 224,370.08/x - Step 3: Cross multiply
415,356.69x = 573,192.74 × 224,370.08 - Step 4: Simplify right side
415,356.69x = 128,607,296,941.41 - Step 5: Solve for x
x = 128,607,296,941.41/415,356.69 - Step 6: Final answer
x = 309,630.98
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1.5x scale
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.