Finding the Fourth Proportional to 368,420.56, 551,907.68 and 191,043.52
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Solution
The fourth proportional to 368,420.56, 551,907.68 and 191,043.52 is: 286,190.29
Step by Step Solution
- Step 1: Write the proportion equation
368,420.56 : 551,907.68 = 191,043.52 : x - Step 2: Convert to fraction form
368,420.56/551,907.68 = 191,043.52/x - Step 3: Cross multiply
368,420.56x = 551,907.68 × 191,043.52 - Step 4: Simplify right side
368,420.56x = 105,438,385,902.23 - Step 5: Solve for x
x = 105,438,385,902.23/368,420.56 - Step 6: Final answer
x = 286,190.29
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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.