Finding the Fourth Proportional to 671,139.84, 926,173.14 and 369,333.84
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Solution
The fourth proportional to 671,139.84, 926,173.14 and 369,333.84 is: 509,680.79
Step by Step Solution
- Step 1: Write the proportion equation
671,139.84 : 926,173.14 = 369,333.84 : x - Step 2: Convert to fraction form
671,139.84/926,173.14 = 369,333.84/x - Step 3: Cross multiply
671,139.84x = 926,173.14 × 369,333.84 - Step 4: Simplify right side
671,139.84x = 342,067,084,389.21 - Step 5: Solve for x
x = 342,067,084,389.21/671,139.84 - Step 6: Final answer
x = 509,680.79
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1.5x scale
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.