Finding the Fourth Proportional to 692,411.37, 1,038,669.59 and 186,964.99
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Solution
The fourth proportional to 692,411.37, 1,038,669.59 and 186,964.99 is: 280,461.67
Step by Step Solution
- Step 1: Write the proportion equation
692,411.37 : 1,038,669.59 = 186,964.99 : x - Step 2: Convert to fraction form
692,411.37/1,038,669.59 = 186,964.99/x - Step 3: Cross multiply
692,411.37x = 1,038,669.59 × 186,964.99 - Step 4: Simplify right side
692,411.37x = 194,194,849,507.65 - Step 5: Solve for x
x = 194,194,849,507.65/692,411.37 - Step 6: Final answer
x = 280,461.67
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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.