Finding the Fourth Proportional to 439,975.08, 607,165.92 and 238,771.08
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Solution
The fourth proportional to 439,975.08, 607,165.92 and 238,771.08 is: 329,504.26
Step by Step Solution
- Step 1: Write the proportion equation
439,975.08 : 607,165.92 = 238,771.08 : x - Step 2: Convert to fraction form
439,975.08/607,165.92 = 238,771.08/x - Step 3: Cross multiply
439,975.08x = 607,165.92 × 238,771.08 - Step 4: Simplify right side
439,975.08x = 144,973,662,457.59 - Step 5: Solve for x
x = 144,973,662,457.59/439,975.08 - Step 6: Final answer
x = 329,504.26
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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.