Finding the Fourth Proportional to 369,332.36, 509,678.98 and 199,566.48
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Solution
The fourth proportional to 369,332.36, 509,678.98 and 199,566.48 is: 275,401.92
Step by Step Solution
- Step 1: Write the proportion equation
369,332.36 : 509,678.98 = 199,566.48 : x - Step 2: Convert to fraction form
369,332.36/509,678.98 = 199,566.48/x - Step 3: Cross multiply
369,332.36x = 509,678.98 × 199,566.48 - Step 4: Simplify right side
369,332.36x = 101,714,842,503.53 - Step 5: Solve for x
x = 101,714,842,503.53/369,332.36 - Step 6: Final answer
x = 275,401.92
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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.