Finding the Fourth Proportional to 310,559.21, 465,839.11 and 97,343.80
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Solution
The fourth proportional to 310,559.21, 465,839.11 and 97,343.80 is: 146,015.79
Step by Step Solution
- Step 1: Write the proportion equation
310,559.21 : 465,839.11 = 97,343.80 : x - Step 2: Convert to fraction form
310,559.21/465,839.11 = 97,343.80/x - Step 3: Cross multiply
310,559.21x = 465,839.11 × 97,343.80 - Step 4: Simplify right side
310,559.21x = 45,346,549,156.02 - Step 5: Solve for x
x = 45,346,549,156.02/310,559.21 - Step 6: Final answer
x = 146,015.79
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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.