Finding the Fourth Proportional to 353,529.30, 487,880.68 and 192,394.74
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Solution
The fourth proportional to 353,529.30, 487,880.68 and 192,394.74 is: 265,510.32
Step by Step Solution
- Step 1: Write the proportion equation
353,529.30 : 487,880.68 = 192,394.74 : x - Step 2: Convert to fraction form
353,529.30/487,880.68 = 192,394.74/x - Step 3: Cross multiply
353,529.30x = 487,880.68 × 192,394.74 - Step 4: Simplify right side
353,529.30x = 93,865,676,579.62 - Step 5: Solve for x
x = 93,865,676,579.62/353,529.30 - Step 6: Final answer
x = 265,510.32
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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.