Finding the Fourth Proportional to 318,353.28, 477,365.58 and 93,684.54
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Solution
The fourth proportional to 318,353.28, 477,365.58 and 93,684.54 is: 140,478.45
Step by Step Solution
- Step 1: Write the proportion equation
318,353.28 : 477,365.58 = 93,684.54 : x - Step 2: Convert to fraction form
318,353.28/477,365.58 = 93,684.54/x - Step 3: Cross multiply
318,353.28x = 477,365.58 × 93,684.54 - Step 4: Simplify right side
318,353.28x = 44,721,774,774.13 - Step 5: Solve for x
x = 44,721,774,774.13/318,353.28 - Step 6: Final answer
x = 140,478.45
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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.