Finding the Fourth Proportional to 377,569.80, 566,354.70 and 128,251.80
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Solution
The fourth proportional to 377,569.80, 566,354.70 and 128,251.80 is: 192,377.70
Step by Step Solution
- Step 1: Write the proportion equation
377,569.80 : 566,354.70 = 128,251.80 : x - Step 2: Convert to fraction form
377,569.80/566,354.70 = 128,251.80/x - Step 3: Cross multiply
377,569.80x = 566,354.70 × 128,251.80 - Step 4: Simplify right side
377,569.80x = 72,636,009,713.46 - Step 5: Solve for x
x = 72,636,009,713.46/377,569.80 - Step 6: Final answer
x = 192,377.70
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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.