Finding the Fourth Proportional to 487,258.68, 730,971.90 and 167,395.44
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Solution
The fourth proportional to 487,258.68, 730,971.90 and 167,395.44 is: 251,121.98
Step by Step Solution
- Step 1: Write the proportion equation
487,258.68 : 730,971.90 = 167,395.44 : x - Step 2: Convert to fraction form
487,258.68/730,971.90 = 167,395.44/x - Step 3: Cross multiply
487,258.68x = 730,971.90 × 167,395.44 - Step 4: Simplify right side
487,258.68x = 122,361,362,828.14 - Step 5: Solve for x
x = 122,361,362,828.14/487,258.68 - Step 6: Final answer
x = 251,121.98
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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.