Finding the Fourth Proportional to 457,230.14, 630,977.49 and 253,294.26
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Solution
The fourth proportional to 457,230.14, 630,977.49 and 253,294.26 is: 349,546.02
Step by Step Solution
- Step 1: Write the proportion equation
457,230.14 : 630,977.49 = 253,294.26 : x - Step 2: Convert to fraction form
457,230.14/630,977.49 = 253,294.26/x - Step 3: Cross multiply
457,230.14x = 630,977.49 × 253,294.26 - Step 4: Simplify right side
457,230.14x = 159,822,976,406.21 - Step 5: Solve for x
x = 159,822,976,406.21/457,230.14 - Step 6: Final answer
x = 349,546.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.