Finding the Fourth Proportional to 339,242.23, 508,900.26 and 125,985.13
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Solution
The fourth proportional to 339,242.23, 508,900.26 and 125,985.13 is: 188,991.40
Step by Step Solution
- Step 1: Write the proportion equation
339,242.23 : 508,900.26 = 125,985.13 : x - Step 2: Convert to fraction form
339,242.23/508,900.26 = 125,985.13/x - Step 3: Cross multiply
339,242.23x = 508,900.26 × 125,985.13 - Step 4: Simplify right side
339,242.23x = 64,113,865,413.13 - Step 5: Solve for x
x = 64,113,865,413.13/339,242.23 - Step 6: Final answer
x = 188,991.40
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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.