Finding the Fourth Proportional to 321,924.60, 482,886.90 and 97,319.70
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Solution
The fourth proportional to 321,924.60, 482,886.90 and 97,319.70 is: 145,979.55
Step by Step Solution
- Step 1: Write the proportion equation
321,924.60 : 482,886.90 = 97,319.70 : x - Step 2: Convert to fraction form
321,924.60/482,886.90 = 97,319.70/x - Step 3: Cross multiply
321,924.60x = 482,886.90 × 97,319.70 - Step 4: Simplify right side
321,924.60x = 46,994,408,241.93 - Step 5: Solve for x
x = 46,994,408,241.93/321,924.60 - Step 6: Final answer
x = 145,979.55
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1.5x scale
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.