Finding the Fourth Proportional to 287,875,700.10, 430,963,244.55 and 190,940,861.70
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Solution
The fourth proportional to 287,875,700.10, 430,963,244.55 and 190,940,861.70 is: 285,847,305.79
Step by Step Solution
- Step 1: Write the proportion equation
287,875,700.10 : 430,963,244.55 = 190,940,861.70 : x - Step 2: Convert to fraction form
287,875,700.10/430,963,244.55 = 190,940,861.70/x - Step 3: Cross multiply
287,875,700.10x = 430,963,244.55 × 190,940,861.70 - Step 4: Simplify right side
287,875,700.10x = 82,288,493,275,404,832 - Step 5: Solve for x
x = 82,288,493,275,404,832/287,875,700.10 - Step 6: Final answer
x = 285,847,305.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.