Finding the Fourth Proportional to 384,903.18, 531,177.39 and 215,137.62
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Solution
The fourth proportional to 384,903.18, 531,177.39 and 215,137.62 is: 296,896.06
Step by Step Solution
- Step 1: Write the proportion equation
384,903.18 : 531,177.39 = 215,137.62 : x - Step 2: Convert to fraction form
384,903.18/531,177.39 = 215,137.62/x - Step 3: Cross multiply
384,903.18x = 531,177.39 × 215,137.62 - Step 4: Simplify right side
384,903.18x = 114,276,239,482.41 - Step 5: Solve for x
x = 114,276,239,482.41/384,903.18 - Step 6: Final answer
x = 296,896.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.