Finding the Fourth Proportional to 354,187.41, 488,764.44 and 193,039.08
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Solution
The fourth proportional to 354,187.41, 488,764.44 and 193,039.08 is: 266,386.20
Step by Step Solution
- Step 1: Write the proportion equation
354,187.41 : 488,764.44 = 193,039.08 : x - Step 2: Convert to fraction form
354,187.41/488,764.44 = 193,039.08/x - Step 3: Cross multiply
354,187.41x = 488,764.44 × 193,039.08 - Step 4: Simplify right side
354,187.41x = 94,350,637,834.32 - Step 5: Solve for x
x = 94,350,637,834.32/354,187.41 - Step 6: Final answer
x = 266,386.20
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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.