Finding the Fourth Proportional to 415,447.37, 623,275.91 and 115,927.70
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Solution
The fourth proportional to 415,447.37, 623,275.91 and 115,927.70 is: 173,920.80
Step by Step Solution
- Step 1: Write the proportion equation
415,447.37 : 623,275.91 = 115,927.70 : x - Step 2: Convert to fraction form
415,447.37/623,275.91 = 115,927.70/x - Step 3: Cross multiply
415,447.37x = 623,275.91 × 115,927.70 - Step 4: Simplify right side
415,447.37x = 72,254,939,015.69 - Step 5: Solve for x
x = 72,254,939,015.69/415,447.37 - Step 6: Final answer
x = 173,920.80
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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.