Finding the Fourth Proportional to 349,327.80, 523,991.70 and 349,327.80
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Solution
The fourth proportional to 349,327.80, 523,991.70 and 349,327.80 is: 523,991.70
Step by Step Solution
- Step 1: Write the proportion equation
349,327.80 : 523,991.70 = 349,327.80 : x - Step 2: Convert to fraction form
349,327.80/523,991.70 = 349,327.80/x - Step 3: Cross multiply
349,327.80x = 523,991.70 × 349,327.80 - Step 4: Simplify right side
349,327.80x = 183,044,867,779.26 - Step 5: Solve for x
x = 183,044,867,779.26/349,327.80 - Step 6: Final answer
x = 523,991.70
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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.