Finding the Fourth Proportional to 477,079.41, 715,973.88 and 192,772.43
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Solution
The fourth proportional to 477,079.41, 715,973.88 and 192,772.43 is: 289,301.99
Step by Step Solution
- Step 1: Write the proportion equation
477,079.41 : 715,973.88 = 192,772.43 : x - Step 2: Convert to fraction form
477,079.41/715,973.88 = 192,772.43/x - Step 3: Cross multiply
477,079.41x = 715,973.88 × 192,772.43 - Step 4: Simplify right side
477,079.41x = 138,020,024,664.13 - Step 5: Solve for x
x = 138,020,024,664.13/477,079.41 - Step 6: Final answer
x = 289,301.99
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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.