Finding the Fourth Proportional to 319,232.08, 478,235.16 and 178,564.24
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Solution
The fourth proportional to 319,232.08, 478,235.16 and 178,564.24 is: 267,503.50
Step by Step Solution
- Step 1: Write the proportion equation
319,232.08 : 478,235.16 = 178,564.24 : x - Step 2: Convert to fraction form
319,232.08/478,235.16 = 178,564.24/x - Step 3: Cross multiply
319,232.08x = 478,235.16 × 178,564.24 - Step 4: Simplify right side
319,232.08x = 85,395,697,886.68 - Step 5: Solve for x
x = 85,395,697,886.68/319,232.08 - Step 6: Final answer
x = 267,503.50
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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.