Finding the Fourth Proportional to 264,967,417.70, 397,451,126.55 and 247,961,305.70
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Solution
The fourth proportional to 264,967,417.70, 397,451,126.55 and 247,961,305.70 is: 371,941,958.55
Step by Step Solution
- Step 1: Write the proportion equation
264,967,417.70 : 397,451,126.55 = 247,961,305.70 : x - Step 2: Convert to fraction form
264,967,417.70/397,451,126.55 = 247,961,305.70/x - Step 3: Cross multiply
264,967,417.70x = 397,451,126.55 × 247,961,305.70 - Step 4: Simplify right side
264,967,417.70x = 98,552,500,291,273,936 - Step 5: Solve for x
x = 98,552,500,291,273,936/264,967,417.70 - Step 6: Final answer
x = 371,941,958.55
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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.