Finding the Fourth Proportional to 316,811.94, 437,212.53 and 180,868.02
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Solution
The fourth proportional to 316,811.94, 437,212.53 and 180,868.02 is: 249,604.75
Step by Step Solution
- Step 1: Write the proportion equation
316,811.94 : 437,212.53 = 180,868.02 : x - Step 2: Convert to fraction form
316,811.94/437,212.53 = 180,868.02/x - Step 3: Cross multiply
316,811.94x = 437,212.53 × 180,868.02 - Step 4: Simplify right side
316,811.94x = 79,077,764,620.29 - Step 5: Solve for x
x = 79,077,764,620.29/316,811.94 - Step 6: Final answer
x = 249,604.75
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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.