Finding the Fourth Proportional to 319,698.04, 441,176.56 and 174,499.03
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Solution
The fourth proportional to 319,698.04, 441,176.56 and 174,499.03 is: 240,804.99
Step by Step Solution
- Step 1: Write the proportion equation
319,698.04 : 441,176.56 = 174,499.03 : x - Step 2: Convert to fraction form
319,698.04/441,176.56 = 174,499.03/x - Step 3: Cross multiply
319,698.04x = 441,176.56 × 174,499.03 - Step 4: Simplify right side
319,698.04x = 76,984,881,778.74 - Step 5: Solve for x
x = 76,984,881,778.74/319,698.04 - Step 6: Final answer
x = 240,804.99
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1.5x scale
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.