Finding the Fourth Proportional to 351,122.19, 484,545.17 and 189,973.70
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Solution
The fourth proportional to 351,122.19, 484,545.17 and 189,973.70 is: 262,161.84
Step by Step Solution
- Step 1: Write the proportion equation
351,122.19 : 484,545.17 = 189,973.70 : x - Step 2: Convert to fraction form
351,122.19/484,545.17 = 189,973.70/x - Step 3: Cross multiply
351,122.19x = 484,545.17 × 189,973.70 - Step 4: Simplify right side
351,122.19x = 92,050,838,631.28 - Step 5: Solve for x
x = 92,050,838,631.28/351,122.19 - Step 6: Final answer
x = 262,161.84
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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.