Finding the Fourth Proportional to 266,411.10, 399,337.50 and 124,139.07
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Solution
The fourth proportional to 266,411.10, 399,337.50 and 124,139.07 is: 186,078.53
Step by Step Solution
- Step 1: Write the proportion equation
266,411.10 : 399,337.50 = 124,139.07 : x - Step 2: Convert to fraction form
266,411.10/399,337.50 = 124,139.07/x - Step 3: Cross multiply
266,411.10x = 399,337.50 × 124,139.07 - Step 4: Simplify right side
266,411.10x = 49,573,385,866.13 - Step 5: Solve for x
x = 49,573,385,866.13/266,411.10 - Step 6: Final answer
x = 186,078.53
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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.