Finding the Fourth Proportional to 319,219.36, 440,525.80 and 175,984.64
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Solution
The fourth proportional to 319,219.36, 440,525.80 and 175,984.64 is: 242,860.50
Step by Step Solution
- Step 1: Write the proportion equation
319,219.36 : 440,525.80 = 175,984.64 : x - Step 2: Convert to fraction form
319,219.36/440,525.80 = 175,984.64/x - Step 3: Cross multiply
319,219.36x = 440,525.80 × 175,984.64 - Step 4: Simplify right side
319,219.36x = 77,525,774,323.71 - Step 5: Solve for x
x = 77,525,774,323.71/319,219.36 - Step 6: Final answer
x = 242,860.50
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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.