Finding the Fourth Proportional to 692,038.17, 1,037,966.06 and 205,709.99
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Solution
The fourth proportional to 692,038.17, 1,037,966.06 and 205,709.99 is: 308,537.87
Step by Step Solution
- Step 1: Write the proportion equation
692,038.17 : 1,037,966.06 = 205,709.99 : x - Step 2: Convert to fraction form
692,038.17/1,037,966.06 = 205,709.99/x - Step 3: Cross multiply
692,038.17x = 1,037,966.06 × 205,709.99 - Step 4: Simplify right side
692,038.17x = 213,519,983,147.38 - Step 5: Solve for x
x = 213,519,983,147.38/692,038.17 - Step 6: Final answer
x = 308,537.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.