Finding the Fourth Proportional to 451,915.84, 623,663.34 and 270,657.28
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Solution
The fourth proportional to 451,915.84, 623,663.34 and 270,657.28 is: 373,518.71
Step by Step Solution
- Step 1: Write the proportion equation
451,915.84 : 623,663.34 = 270,657.28 : x - Step 2: Convert to fraction form
451,915.84/623,663.34 = 270,657.28/x - Step 3: Cross multiply
451,915.84x = 623,663.34 × 270,657.28 - Step 4: Simplify right side
451,915.84x = 168,799,023,240.12 - Step 5: Solve for x
x = 168,799,023,240.12/451,915.84 - Step 6: Final answer
x = 373,518.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.