Finding the Fourth Proportional to 546,343.20, 753,898.44 and 304,603.08
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Solution
The fourth proportional to 546,343.20, 753,898.44 and 304,603.08 is: 420,321.49
Step by Step Solution
- Step 1: Write the proportion equation
546,343.20 : 753,898.44 = 304,603.08 : x - Step 2: Convert to fraction form
546,343.20/753,898.44 = 304,603.08/x - Step 3: Cross multiply
546,343.20x = 753,898.44 × 304,603.08 - Step 4: Simplify right side
546,343.20x = 229,639,786,831.20 - Step 5: Solve for x
x = 229,639,786,831.20/546,343.20 - Step 6: Final answer
x = 420,321.49
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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.