Finding the Fourth Proportional to 192,165,715.20, 288,248,572.80 and 183,237,506.40
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Solution
The fourth proportional to 192,165,715.20, 288,248,572.80 and 183,237,506.40 is: 274,856,259.60
Step by Step Solution
- Step 1: Write the proportion equation
192,165,715.20 : 288,248,572.80 = 183,237,506.40 : x - Step 2: Convert to fraction form
192,165,715.20/288,248,572.80 = 183,237,506.40/x - Step 3: Cross multiply
192,165,715.20x = 288,248,572.80 × 183,237,506.40 - Step 4: Simplify right side
192,165,715.20x = 52,817,949,703,230,872 - Step 5: Solve for x
x = 52,817,949,703,230,872/192,165,715.20 - Step 6: Final answer
x = 274,856,259.60
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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.