Finding the Fourth Proportional to 472,400.88, 709,010.84 and 247,919.92
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Solution
The fourth proportional to 472,400.88, 709,010.84 and 247,919.92 is: 372,094.80
Step by Step Solution
- Step 1: Write the proportion equation
472,400.88 : 709,010.84 = 247,919.92 : x - Step 2: Convert to fraction form
472,400.88/709,010.84 = 247,919.92/x - Step 3: Cross multiply
472,400.88x = 709,010.84 × 247,919.92 - Step 4: Simplify right side
472,400.88x = 175,777,910,731.93 - Step 5: Solve for x
x = 175,777,910,731.93/472,400.88 - Step 6: Final answer
x = 372,094.80
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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.