Finding the Fourth Proportional to 415,458.84, 623,293.16 and 115,939.20
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Solution
The fourth proportional to 415,458.84, 623,293.16 and 115,939.20 is: 173,938.07
Step by Step Solution
- Step 1: Write the proportion equation
415,458.84 : 623,293.16 = 115,939.20 : x - Step 2: Convert to fraction form
415,458.84/623,293.16 = 115,939.20/x - Step 3: Cross multiply
415,458.84x = 623,293.16 × 115,939.20 - Step 4: Simplify right side
415,458.84x = 72,264,110,335.87 - Step 5: Solve for x
x = 72,264,110,335.87/415,458.84 - Step 6: Final answer
x = 173,938.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.