Finding the Fourth Proportional to 419,048.48, 578,347.84 and 235,307.67
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Solution
The fourth proportional to 419,048.48, 578,347.84 and 235,307.67 is: 324,758.80
Step by Step Solution
- Step 1: Write the proportion equation
419,048.48 : 578,347.84 = 235,307.67 : x - Step 2: Convert to fraction form
419,048.48/578,347.84 = 235,307.67/x - Step 3: Cross multiply
419,048.48x = 578,347.84 × 235,307.67 - Step 4: Simplify right side
419,048.48x = 136,089,682,679.93 - Step 5: Solve for x
x = 136,089,682,679.93/419,048.48 - Step 6: Final answer
x = 324,758.80
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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.