Finding the Fourth Proportional to 451,178.00, 676,808.74 and 147,573.87
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Solution
The fourth proportional to 451,178.00, 676,808.74 and 147,573.87 is: 221,374.45
Step by Step Solution
- Step 1: Write the proportion equation
451,178.00 : 676,808.74 = 147,573.87 : x - Step 2: Convert to fraction form
451,178.00/676,808.74 = 147,573.87/x - Step 3: Cross multiply
451,178.00x = 676,808.74 × 147,573.87 - Step 4: Simplify right side
451,178.00x = 99,879,282,658.06 - Step 5: Solve for x
x = 99,879,282,658.06/451,178.00 - Step 6: Final answer
x = 221,374.45
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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.