Finding the Fourth Proportional to 247,919,790.30, 371,879,685.45 and 232,803,246.30
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Solution
The fourth proportional to 247,919,790.30, 371,879,685.45 and 232,803,246.30 is: 349,204,869.45
Step by Step Solution
- Step 1: Write the proportion equation
247,919,790.30 : 371,879,685.45 = 232,803,246.30 : x - Step 2: Convert to fraction form
247,919,790.30/371,879,685.45 = 232,803,246.30/x - Step 3: Cross multiply
247,919,790.30x = 371,879,685.45 × 232,803,246.30 - Step 4: Simplify right side
247,919,790.30x = 86,574,798,005,782,880 - Step 5: Solve for x
x = 86,574,798,005,782,880/247,919,790.30 - Step 6: Final answer
x = 349,204,869.45
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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.