Finding the Fourth Proportional to 316,670.10, 436,896.14 and 180,606.19
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Solution
The fourth proportional to 316,670.10, 436,896.14 and 180,606.19 is: 249,174.61
Step by Step Solution
- Step 1: Write the proportion equation
316,670.10 : 436,896.14 = 180,606.19 : x - Step 2: Convert to fraction form
316,670.10/436,896.14 = 180,606.19/x - Step 3: Cross multiply
316,670.10x = 436,896.14 × 180,606.19 - Step 4: Simplify right side
316,670.10x = 78,906,147,271.11 - Step 5: Solve for x
x = 78,906,147,271.11/316,670.10 - Step 6: Final answer
x = 249,174.61
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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.