Finding the Fourth Proportional to 301,780.80, 452,671.20 and 102,107.70
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Solution
The fourth proportional to 301,780.80, 452,671.20 and 102,107.70 is: 153,161.55
Step by Step Solution
- Step 1: Write the proportion equation
301,780.80 : 452,671.20 = 102,107.70 : x - Step 2: Convert to fraction form
301,780.80/452,671.20 = 102,107.70/x - Step 3: Cross multiply
301,780.80x = 452,671.20 × 102,107.70 - Step 4: Simplify right side
301,780.80x = 46,221,215,088.24 - Step 5: Solve for x
x = 46,221,215,088.24/301,780.80 - Step 6: Final answer
x = 153,161.55
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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.