Finding the Fourth Proportional to 318,533.58, 439,576.08 and 175,293.62
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Solution
The fourth proportional to 318,533.58, 439,576.08 and 175,293.62 is: 241,905.05
Step by Step Solution
- Step 1: Write the proportion equation
318,533.58 : 439,576.08 = 175,293.62 : x - Step 2: Convert to fraction form
318,533.58/439,576.08 = 175,293.62/x - Step 3: Cross multiply
318,533.58x = 439,576.08 × 175,293.62 - Step 4: Simplify right side
318,533.58x = 77,054,881,368.30 - Step 5: Solve for x
x = 77,054,881,368.30/318,533.58 - Step 6: Final answer
x = 241,905.05
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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.