Finding the Fourth Proportional to 354,132.09, 488,688.06 and 192,983.70
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Solution
The fourth proportional to 354,132.09, 488,688.06 and 192,983.70 is: 266,309.75
Step by Step Solution
- Step 1: Write the proportion equation
354,132.09 : 488,688.06 = 192,983.70 : x - Step 2: Convert to fraction form
354,132.09/488,688.06 = 192,983.70/x - Step 3: Cross multiply
354,132.09x = 488,688.06 × 192,983.70 - Step 4: Simplify right side
354,132.09x = 94,308,829,964.62 - Step 5: Solve for x
x = 94,308,829,964.62/354,132.09 - Step 6: Final answer
x = 266,309.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.