Finding the Fourth Proportional to 316,789.15, 437,189.93 and 180,850.63
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Solution
The fourth proportional to 316,789.15, 437,189.93 and 180,850.63 is: 249,585.80
Step by Step Solution
- Step 1: Write the proportion equation
316,789.15 : 437,189.93 = 180,850.63 : x - Step 2: Convert to fraction form
316,789.15/437,189.93 = 180,850.63/x - Step 3: Cross multiply
316,789.15x = 437,189.93 × 180,850.63 - Step 4: Simplify right side
316,789.15x = 79,066,074,270.16 - Step 5: Solve for x
x = 79,066,074,270.16/316,789.15 - Step 6: Final answer
x = 249,585.80
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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.