Finding the Fourth Proportional to 553,197.41, 829,943.79 and 198,247.31
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Solution
The fourth proportional to 553,197.41, 829,943.79 and 198,247.31 is: 297,423.88
Step by Step Solution
- Step 1: Write the proportion equation
553,197.41 : 829,943.79 = 198,247.31 : x - Step 2: Convert to fraction form
553,197.41/829,943.79 = 198,247.31/x - Step 3: Cross multiply
553,197.41x = 829,943.79 × 198,247.31 - Step 4: Simplify right side
553,197.41x = 164,534,122,037.85 - Step 5: Solve for x
x = 164,534,122,037.85/553,197.41 - Step 6: Final answer
x = 297,423.88
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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.