Finding the Fourth Proportional to 561,854.88, 842,907.20 and 262,171.99
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Solution
The fourth proportional to 561,854.88, 842,907.20 and 262,171.99 is: 393,316.26
Step by Step Solution
- Step 1: Write the proportion equation
561,854.88 : 842,907.20 = 262,171.99 : x - Step 2: Convert to fraction form
561,854.88/842,907.20 = 262,171.99/x - Step 3: Cross multiply
561,854.88x = 842,907.20 × 262,171.99 - Step 4: Simplify right side
561,854.88x = 220,986,657,752.10 - Step 5: Solve for x
x = 220,986,657,752.10/561,854.88 - Step 6: Final answer
x = 393,316.26
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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.