Finding the Fourth Proportional to 343,952.80, 515,929.20 and 330,174.70
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Solution
The fourth proportional to 343,952.80, 515,929.20 and 330,174.70 is: 495,262.05
Step by Step Solution
- Step 1: Write the proportion equation
343,952.80 : 515,929.20 = 330,174.70 : x - Step 2: Convert to fraction form
343,952.80/515,929.20 = 330,174.70/x - Step 3: Cross multiply
343,952.80x = 515,929.20 × 330,174.70 - Step 4: Simplify right side
343,952.80x = 170,346,768,831.24 - Step 5: Solve for x
x = 170,346,768,831.24/343,952.80 - Step 6: Final answer
x = 495,262.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.