Finding the Fourth Proportional to 547,923.76, 821,962.84 and 168,875.14
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Solution
The fourth proportional to 547,923.76, 821,962.84 and 168,875.14 is: 253,336.50
Step by Step Solution
- Step 1: Write the proportion equation
547,923.76 : 821,962.84 = 168,875.14 : x - Step 2: Convert to fraction form
547,923.76/821,962.84 = 168,875.14/x - Step 3: Cross multiply
547,923.76x = 821,962.84 × 168,875.14 - Step 4: Simplify right side
547,923.76x = 138,809,089,679.80 - Step 5: Solve for x
x = 138,809,089,679.80/547,923.76 - Step 6: Final answer
x = 253,336.50
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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.