Finding the Fourth Proportional to 489,990.12, 735,193.14 and 237,458.58
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Solution
The fourth proportional to 489,990.12, 735,193.14 and 237,458.58 is: 356,288.65
Step by Step Solution
- Step 1: Write the proportion equation
489,990.12 : 735,193.14 = 237,458.58 : x - Step 2: Convert to fraction form
489,990.12/735,193.14 = 237,458.58/x - Step 3: Cross multiply
489,990.12x = 735,193.14 × 237,458.58 - Step 4: Simplify right side
489,990.12x = 174,577,919,050.14 - Step 5: Solve for x
x = 174,577,919,050.14/489,990.12 - Step 6: Final answer
x = 356,288.65
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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.