Finding the Fourth Proportional to 487,544.84, 731,408.82 and 221,324.06
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Solution
The fourth proportional to 487,544.84, 731,408.82 and 221,324.06 is: 332,027.65
Step by Step Solution
- Step 1: Write the proportion equation
487,544.84 : 731,408.82 = 221,324.06 : x - Step 2: Convert to fraction form
487,544.84/731,408.82 = 221,324.06/x - Step 3: Cross multiply
487,544.84x = 731,408.82 × 221,324.06 - Step 4: Simplify right side
487,544.84x = 161,878,369,562.21 - Step 5: Solve for x
x = 161,878,369,562.21/487,544.84 - Step 6: Final answer
x = 332,027.65
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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.