Finding the Fourth Proportional to 482,780.58, 723,005.28 and 242,137.68
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Solution
The fourth proportional to 482,780.58, 723,005.28 and 242,137.68 is: 362,621.92
Step by Step Solution
- Step 1: Write the proportion equation
482,780.58 : 723,005.28 = 242,137.68 : x - Step 2: Convert to fraction form
482,780.58/723,005.28 = 242,137.68/x - Step 3: Cross multiply
482,780.58x = 723,005.28 × 242,137.68 - Step 4: Simplify right side
482,780.58x = 175,066,821,126.95 - Step 5: Solve for x
x = 175,066,821,126.95/482,780.58 - Step 6: Final answer
x = 362,621.92
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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.