Finding the Fourth Proportional to 616,603.16, 925,028.68 and 217,526.70
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Solution
The fourth proportional to 616,603.16, 925,028.68 and 217,526.70 is: 326,333.77
Step by Step Solution
- Step 1: Write the proportion equation
616,603.16 : 925,028.68 = 217,526.70 : x - Step 2: Convert to fraction form
616,603.16/925,028.68 = 217,526.70/x - Step 3: Cross multiply
616,603.16x = 925,028.68 × 217,526.70 - Step 4: Simplify right side
616,603.16x = 201,218,436,165.76 - Step 5: Solve for x
x = 201,218,436,165.76/616,603.16 - Step 6: Final answer
x = 326,333.77
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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.