Finding the Fourth Proportional to 537,078.31, 741,167.13 and 307,709.80
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Solution
The fourth proportional to 537,078.31, 741,167.13 and 307,709.80 is: 424,638.99
Step by Step Solution
- Step 1: Write the proportion equation
537,078.31 : 741,167.13 = 307,709.80 : x - Step 2: Convert to fraction form
537,078.31/741,167.13 = 307,709.80/x - Step 3: Cross multiply
537,078.31x = 741,167.13 × 307,709.80 - Step 4: Simplify right side
537,078.31x = 228,064,389,338.87 - Step 5: Solve for x
x = 228,064,389,338.87/537,078.31 - Step 6: Final answer
x = 424,638.99
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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.