Finding the Fourth Proportional to 354,178.44, 488,751.99 and 193,030.02
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Solution
The fourth proportional to 354,178.44, 488,751.99 and 193,030.02 is: 266,373.66
Step by Step Solution
- Step 1: Write the proportion equation
354,178.44 : 488,751.99 = 193,030.02 : x - Step 2: Convert to fraction form
354,178.44/488,751.99 = 193,030.02/x - Step 3: Cross multiply
354,178.44x = 488,751.99 × 193,030.02 - Step 4: Simplify right side
354,178.44x = 94,343,806,404.74 - Step 5: Solve for x
x = 94,343,806,404.74/354,178.44 - Step 6: Final answer
x = 266,373.66
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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.