Finding the Fourth Proportional to 316,813.44, 437,214.60 and 180,869.52
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Solution
The fourth proportional to 316,813.44, 437,214.60 and 180,869.52 is: 249,606.82
Step by Step Solution
- Step 1: Write the proportion equation
316,813.44 : 437,214.60 = 180,869.52 : x - Step 2: Convert to fraction form
316,813.44/437,214.60 = 180,869.52/x - Step 3: Cross multiply
316,813.44x = 437,214.60 × 180,869.52 - Step 4: Simplify right side
316,813.44x = 79,078,794,838.99 - Step 5: Solve for x
x = 79,078,794,838.99/316,813.44 - Step 6: Final answer
x = 249,606.82
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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.