Finding the Fourth Proportional to 688,744.32, 1,033,125.11 and 183,302.18
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Solution
The fourth proportional to 688,744.32, 1,033,125.11 and 183,302.18 is: 274,955.56
Step by Step Solution
- Step 1: Write the proportion equation
688,744.32 : 1,033,125.11 = 183,302.18 : x - Step 2: Convert to fraction form
688,744.32/1,033,125.11 = 183,302.18/x - Step 3: Cross multiply
688,744.32x = 1,033,125.11 × 183,302.18 - Step 4: Simplify right side
688,744.32x = 189,374,078,793.60 - Step 5: Solve for x
x = 189,374,078,793.60/688,744.32 - Step 6: Final answer
x = 274,955.56
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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.