Finding the Fourth Proportional to 415,169.64, 572,947.74 and 243,104.76
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Solution
The fourth proportional to 415,169.64, 572,947.74 and 243,104.76 is: 335,492.55
Step by Step Solution
- Step 1: Write the proportion equation
415,169.64 : 572,947.74 = 243,104.76 : x - Step 2: Convert to fraction form
415,169.64/572,947.74 = 243,104.76/x - Step 3: Cross multiply
415,169.64x = 572,947.74 × 243,104.76 - Step 4: Simplify right side
415,169.64x = 139,286,322,825.24 - Step 5: Solve for x
x = 139,286,322,825.24/415,169.64 - Step 6: Final answer
x = 335,492.55
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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.