Finding the Fourth Proportional to 292,526.28, 438,457.68 and 134,428.02
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Solution
The fourth proportional to 292,526.28, 438,457.68 and 134,428.02 is: 201,489.58
Step by Step Solution
- Step 1: Write the proportion equation
292,526.28 : 438,457.68 = 134,428.02 : x - Step 2: Convert to fraction form
292,526.28/438,457.68 = 134,428.02/x - Step 3: Cross multiply
292,526.28x = 438,457.68 × 134,428.02 - Step 4: Simplify right side
292,526.28x = 58,940,997,776.19 - Step 5: Solve for x
x = 58,940,997,776.19/292,526.28 - Step 6: Final answer
x = 201,489.58
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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.