Finding the Fourth Proportional to 572,130.05, 858,473.81 and 235,271.90
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Solution
The fourth proportional to 572,130.05, 858,473.81 and 235,271.90 is: 353,022.47
Step by Step Solution
- Step 1: Write the proportion equation
572,130.05 : 858,473.81 = 235,271.90 : x - Step 2: Convert to fraction form
572,130.05/858,473.81 = 235,271.90/x - Step 3: Cross multiply
572,130.05x = 858,473.81 × 235,271.90 - Step 4: Simplify right side
572,130.05x = 201,974,758,910.21 - Step 5: Solve for x
x = 201,974,758,910.21/572,130.05 - Step 6: Final answer
x = 353,022.47
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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.