Finding the Fourth Proportional to 484,767.14, 668,952.99 and 278,024.85
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Solution
The fourth proportional to 484,767.14, 668,952.99 and 278,024.85 is: 383,659.58
Step by Step Solution
- Step 1: Write the proportion equation
484,767.14 : 668,952.99 = 278,024.85 : x - Step 2: Convert to fraction form
484,767.14/668,952.99 = 278,024.85/x - Step 3: Cross multiply
484,767.14x = 668,952.99 × 278,024.85 - Step 4: Simplify right side
484,767.14x = 185,985,554,701.80 - Step 5: Solve for x
x = 185,985,554,701.80/484,767.14 - Step 6: Final answer
x = 383,659.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.