Finding the Fourth Proportional to 369,455.76, 509,508.36 and 277,206.48
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Solution
The fourth proportional to 369,455.76, 509,508.36 and 277,206.48 is: 382,289.40
Step by Step Solution
- Step 1: Write the proportion equation
369,455.76 : 509,508.36 = 277,206.48 : x - Step 2: Convert to fraction form
369,455.76/509,508.36 = 277,206.48/x - Step 3: Cross multiply
369,455.76x = 509,508.36 × 277,206.48 - Step 4: Simplify right side
369,455.76x = 141,239,019,006.17 - Step 5: Solve for x
x = 141,239,019,006.17/369,455.76 - Step 6: Final answer
x = 382,289.40
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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.