Finding the Fourth Proportional to 367,655.09, 551,005.82 and 165,101.63
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Solution
The fourth proportional to 367,655.09, 551,005.82 and 165,101.63 is: 247,438.32
Step by Step Solution
- Step 1: Write the proportion equation
367,655.09 : 551,005.82 = 165,101.63 : x - Step 2: Convert to fraction form
367,655.09/551,005.82 = 165,101.63/x - Step 3: Cross multiply
367,655.09x = 551,005.82 × 165,101.63 - Step 4: Simplify right side
367,655.09x = 90,971,955,440.95 - Step 5: Solve for x
x = 90,971,955,440.95/367,655.09 - Step 6: Final answer
x = 247,438.32
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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.