Finding the Fourth Proportional to 399,420.69, 599,316.29 and 174,751.55
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Solution
The fourth proportional to 399,420.69, 599,316.29 and 174,751.55 is: 262,208.38
Step by Step Solution
- Step 1: Write the proportion equation
399,420.69 : 599,316.29 = 174,751.55 : x - Step 2: Convert to fraction form
399,420.69/599,316.29 = 174,751.55/x - Step 3: Cross multiply
399,420.69x = 599,316.29 × 174,751.55 - Step 4: Simplify right side
399,420.69x = 104,731,451,827.23 - Step 5: Solve for x
x = 104,731,451,827.23/399,420.69 - Step 6: Final answer
x = 262,208.38
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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.