Finding the Fourth Proportional to 341,658,005.20, 512,487,007.80 and 157,425,125.20
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Solution
The fourth proportional to 341,658,005.20, 512,487,007.80 and 157,425,125.20 is: 236,137,687.80
Step by Step Solution
- Step 1: Write the proportion equation
341,658,005.20 : 512,487,007.80 = 157,425,125.20 : x - Step 2: Convert to fraction form
341,658,005.20/512,487,007.80 = 157,425,125.20/x - Step 3: Cross multiply
341,658,005.20x = 512,487,007.80 × 157,425,125.20 - Step 4: Simplify right side
341,658,005.20x = 80,678,331,366,288,368 - Step 5: Solve for x
x = 80,678,331,366,288,368/341,658,005.20 - Step 6: Final answer
x = 236,137,687.80
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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.