Finding the Fourth Proportional to 487,210.68, 730,183.98 and 216,954.26
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Solution
The fourth proportional to 487,210.68, 730,183.98 and 216,954.26 is: 325,149.94
Step by Step Solution
- Step 1: Write the proportion equation
487,210.68 : 730,183.98 = 216,954.26 : x - Step 2: Convert to fraction form
487,210.68/730,183.98 = 216,954.26/x - Step 3: Cross multiply
487,210.68x = 730,183.98 × 216,954.26 - Step 4: Simplify right side
487,210.68x = 158,416,525,044.76 - Step 5: Solve for x
x = 158,416,525,044.76/487,210.68 - Step 6: Final answer
x = 325,149.94
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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.