Finding the Fourth Proportional to 369,325.55, 509,654.50 and 208,214.07
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Solution
The fourth proportional to 369,325.55, 509,654.50 and 208,214.07 is: 287,327.09
Step by Step Solution
- Step 1: Write the proportion equation
369,325.55 : 509,654.50 = 208,214.07 : x - Step 2: Convert to fraction form
369,325.55/509,654.50 = 208,214.07/x - Step 3: Cross multiply
369,325.55x = 509,654.50 × 208,214.07 - Step 4: Simplify right side
369,325.55x = 106,117,237,218.28 - Step 5: Solve for x
x = 106,117,237,218.28/369,325.55 - Step 6: Final answer
x = 287,327.09
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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.