Finding the Fourth Proportional to 377,821.84, 563,785.76 and 344,287.84
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Solution
The fourth proportional to 377,821.84, 563,785.76 and 344,287.84 is: 513,746.32
Step by Step Solution
- Step 1: Write the proportion equation
377,821.84 : 563,785.76 = 344,287.84 : x - Step 2: Convert to fraction form
377,821.84/563,785.76 = 344,287.84/x - Step 3: Cross multiply
377,821.84x = 563,785.76 × 344,287.84 - Step 4: Simplify right side
377,821.84x = 194,104,581,533.16 - Step 5: Solve for x
x = 194,104,581,533.16/377,821.84 - Step 6: Final answer
x = 513,746.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.