Finding the Fourth Proportional to 316,829.24, 437,207.64 and 180,857.78
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Solution
The fourth proportional to 316,829.24, 437,207.64 and 180,857.78 is: 249,574.20
Step by Step Solution
- Step 1: Write the proportion equation
316,829.24 : 437,207.64 = 180,857.78 : x - Step 2: Convert to fraction form
316,829.24/437,207.64 = 180,857.78/x - Step 3: Cross multiply
316,829.24x = 437,207.64 × 180,857.78 - Step 4: Simplify right side
316,829.24x = 79,072,403,584.24 - Step 5: Solve for x
x = 79,072,403,584.24/316,829.24 - Step 6: Final answer
x = 249,574.20
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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.