Finding the Fourth Proportional to 315,758.74, 473,975.28 and 135,933.18
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Solution
The fourth proportional to 315,758.74, 473,975.28 and 135,933.18 is: 204,044.92
Step by Step Solution
- Step 1: Write the proportion equation
315,758.74 : 473,975.28 = 135,933.18 : x - Step 2: Convert to fraction form
315,758.74/473,975.28 = 135,933.18/x - Step 3: Cross multiply
315,758.74x = 473,975.28 × 135,933.18 - Step 4: Simplify right side
315,758.74x = 64,428,967,051.79 - Step 5: Solve for x
x = 64,428,967,051.79/315,758.74 - Step 6: Final answer
x = 204,044.92
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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.