Finding the Fourth Proportional to 415,357.18, 573,193.43 and 224,370.58
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Solution
The fourth proportional to 415,357.18, 573,193.43 and 224,370.58 is: 309,631.68
Step by Step Solution
- Step 1: Write the proportion equation
415,357.18 : 573,193.43 = 224,370.58 : x - Step 2: Convert to fraction form
415,357.18/573,193.43 = 224,370.58/x - Step 3: Cross multiply
415,357.18x = 573,193.43 × 224,370.58 - Step 4: Simplify right side
415,357.18x = 128,607,742,341.29 - Step 5: Solve for x
x = 128,607,742,341.29/415,357.18 - Step 6: Final answer
x = 309,631.68
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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.