Finding the Fourth Proportional to 273,024,138.90, 409,536,208.35 and 176,278,257.30
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Solution
The fourth proportional to 273,024,138.90, 409,536,208.35 and 176,278,257.30 is: 264,417,385.95
Step by Step Solution
- Step 1: Write the proportion equation
273,024,138.90 : 409,536,208.35 = 176,278,257.30 : x - Step 2: Convert to fraction form
273,024,138.90/409,536,208.35 = 176,278,257.30/x - Step 3: Cross multiply
273,024,138.90x = 409,536,208.35 × 176,278,257.30 - Step 4: Simplify right side
273,024,138.90x = 72,192,329,109,187,712 - Step 5: Solve for x
x = 72,192,329,109,187,712/273,024,138.90 - Step 6: Final answer
x = 264,417,385.95
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1.5x scale
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.