Finding the Fourth Proportional to 357,720.36, 536,596.83 and 253,006.80
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Solution
The fourth proportional to 357,720.36, 536,596.83 and 253,006.80 is: 379,521.72
Step by Step Solution
- Step 1: Write the proportion equation
357,720.36 : 536,596.83 = 253,006.80 : x - Step 2: Convert to fraction form
357,720.36/536,596.83 = 253,006.80/x - Step 3: Cross multiply
357,720.36x = 536,596.83 × 253,006.80 - Step 4: Simplify right side
357,720.36x = 135,762,646,848.44 - Step 5: Solve for x
x = 135,762,646,848.44/357,720.36 - Step 6: Final answer
x = 379,521.72
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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.