Finding the Fourth Proportional to 489,989.88, 735,088.70 and 174,445.88
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Solution
The fourth proportional to 489,989.88, 735,088.70 and 174,445.88 is: 261,705.80
Step by Step Solution
- Step 1: Write the proportion equation
489,989.88 : 735,088.70 = 174,445.88 : x - Step 2: Convert to fraction form
489,989.88/735,088.70 = 174,445.88/x - Step 3: Cross multiply
489,989.88x = 735,088.70 × 174,445.88 - Step 4: Simplify right side
489,989.88x = 128,233,191,910.23 - Step 5: Solve for x
x = 128,233,191,910.23/489,989.88 - Step 6: Final answer
x = 261,705.80
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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.