Finding the Fourth Proportional to 349,386.21, 523,923.36 and 243,450.80
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Solution
The fourth proportional to 349,386.21, 523,923.36 and 243,450.80 is: 365,067.52
Step by Step Solution
- Step 1: Write the proportion equation
349,386.21 : 523,923.36 = 243,450.80 : x - Step 2: Convert to fraction form
349,386.21/523,923.36 = 243,450.80/x - Step 3: Cross multiply
349,386.21x = 523,923.36 × 243,450.80 - Step 4: Simplify right side
349,386.21x = 127,549,558,511.07 - Step 5: Solve for x
x = 127,549,558,511.07/349,386.21 - Step 6: Final answer
x = 365,067.52
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1.5x scale
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.