Finding the Fourth Proportional to 406,534.08, 609,475.50 and 193,194.93
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Solution
The fourth proportional to 406,534.08, 609,475.50 and 193,194.93 is: 289,637.65
Step by Step Solution
- Step 1: Write the proportion equation
406,534.08 : 609,475.50 = 193,194.93 : x - Step 2: Convert to fraction form
406,534.08/609,475.50 = 193,194.93/x - Step 3: Cross multiply
406,534.08x = 609,475.50 × 193,194.93 - Step 4: Simplify right side
406,534.08x = 117,747,576,559.22 - Step 5: Solve for x
x = 117,747,576,559.22/406,534.08 - Step 6: Final answer
x = 289,637.65
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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.