Finding the Fourth Proportional to 224,513.20, 336,477.28 and 91,237.68
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Solution
The fourth proportional to 224,513.20, 336,477.28 and 91,237.68 is: 136,737.65
Step by Step Solution
- Step 1: Write the proportion equation
224,513.20 : 336,477.28 = 91,237.68 : x - Step 2: Convert to fraction form
224,513.20/336,477.28 = 91,237.68/x - Step 3: Cross multiply
224,513.20x = 336,477.28 × 91,237.68 - Step 4: Simplify right side
224,513.20x = 30,699,406,399.91 - Step 5: Solve for x
x = 30,699,406,399.91/224,513.20 - Step 6: Final answer
x = 136,737.65
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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.