Finding the Fourth Proportional to 487,014.93, 730,716.15 and 187,415.07
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Solution
The fourth proportional to 487,014.93, 730,716.15 and 187,415.07 is: 281,197.17
Step by Step Solution
- Step 1: Write the proportion equation
487,014.93 : 730,716.15 = 187,415.07 : x - Step 2: Convert to fraction form
487,014.93/730,716.15 = 187,415.07/x - Step 3: Cross multiply
487,014.93x = 730,716.15 × 187,415.07 - Step 4: Simplify right side
487,014.93x = 136,947,218,402.38 - Step 5: Solve for x
x = 136,947,218,402.38/487,014.93 - Step 6: Final answer
x = 281,197.17
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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.