Finding the Fourth Proportional to 764,642.29, 1,146,889.23 and 232,167.94
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Solution
The fourth proportional to 764,642.29, 1,146,889.23 and 232,167.94 is: 348,229.38
Step by Step Solution
- Step 1: Write the proportion equation
764,642.29 : 1,146,889.23 = 232,167.94 : x - Step 2: Convert to fraction form
764,642.29/1,146,889.23 = 232,167.94/x - Step 3: Cross multiply
764,642.29x = 1,146,889.23 × 232,167.94 - Step 4: Simplify right side
764,642.29x = 266,270,909,937.29 - Step 5: Solve for x
x = 266,270,909,937.29/764,642.29 - Step 6: Final answer
x = 348,229.38
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1.5x scale
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.