Finding the Fourth Proportional to 645,897.24, 968,850.72 and 246,430.62
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Solution
The fourth proportional to 645,897.24, 968,850.72 and 246,430.62 is: 369,647.78
Step by Step Solution
- Step 1: Write the proportion equation
645,897.24 : 968,850.72 = 246,430.62 : x - Step 2: Convert to fraction form
645,897.24/968,850.72 = 246,430.62/x - Step 3: Cross multiply
645,897.24x = 968,850.72 × 246,430.62 - Step 4: Simplify right side
645,897.24x = 238,754,483,617.05 - Step 5: Solve for x
x = 238,754,483,617.05/645,897.24 - Step 6: Final answer
x = 369,647.78
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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.