Finding the Fourth Proportional to 286,072.62, 429,173.76 and 152,882.70
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Solution
The fourth proportional to 286,072.62, 429,173.76 and 152,882.70 is: 229,358.70
Step by Step Solution
- Step 1: Write the proportion equation
286,072.62 : 429,173.76 = 152,882.70 : x - Step 2: Convert to fraction form
286,072.62/429,173.76 = 152,882.70/x - Step 3: Cross multiply
286,072.62x = 429,173.76 × 152,882.70 - Step 4: Simplify right side
286,072.62x = 65,613,243,197.95 - Step 5: Solve for x
x = 65,613,243,197.95/286,072.62 - Step 6: Final answer
x = 229,358.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.