Finding the Fourth Proportional to 644,465.02, 966,702.99 and 195,221.20
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Solution
The fourth proportional to 644,465.02, 966,702.99 and 195,221.20 is: 292,833.45
Step by Step Solution
- Step 1: Write the proportion equation
644,465.02 : 966,702.99 = 195,221.20 : x - Step 2: Convert to fraction form
644,465.02/966,702.99 = 195,221.20/x - Step 3: Cross multiply
644,465.02x = 966,702.99 × 195,221.20 - Step 4: Simplify right side
644,465.02x = 188,720,917,751.39 - Step 5: Solve for x
x = 188,720,917,751.39/644,465.02 - Step 6: Final answer
x = 292,833.45
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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.