Finding the Fourth Proportional to 435,302.10, 652,559.49 and 154,753.74
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Solution
The fourth proportional to 435,302.10, 652,559.49 and 154,753.74 is: 231,990.66
Step by Step Solution
- Step 1: Write the proportion equation
435,302.10 : 652,559.49 = 154,753.74 : x - Step 2: Convert to fraction form
435,302.10/652,559.49 = 154,753.74/x - Step 3: Cross multiply
435,302.10x = 652,559.49 × 154,753.74 - Step 4: Simplify right side
435,302.10x = 100,986,021,649.99 - Step 5: Solve for x
x = 100,986,021,649.99/435,302.10 - Step 6: Final answer
x = 231,990.66
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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.