Finding the Fourth Proportional to 1,130,190.14, 1,695,298.37 and 331,487.62
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Solution
The fourth proportional to 1,130,190.14, 1,695,298.37 and 331,487.62 is: 497,235.29
Step by Step Solution
- Step 1: Write the proportion equation
1,130,190.14 : 1,695,298.37 = 331,487.62 : x - Step 2: Convert to fraction form
1,130,190.14/1,695,298.37 = 331,487.62/x - Step 3: Cross multiply
1,130,190.14x = 1,695,298.37 × 331,487.62 - Step 4: Simplify right side
1,130,190.14x = 561,970,421,861.18 - Step 5: Solve for x
x = 561,970,421,861.18/1,130,190.14 - Step 6: Final answer
x = 497,235.29
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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.