Finding the Fourth Proportional to 368,984.70, 552,699.45 and 306,776.70
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Solution
The fourth proportional to 368,984.70, 552,699.45 and 306,776.70 is: 459,518.55
Step by Step Solution
- Step 1: Write the proportion equation
368,984.70 : 552,699.45 = 306,776.70 : x - Step 2: Convert to fraction form
368,984.70/552,699.45 = 306,776.70/x - Step 3: Cross multiply
368,984.70x = 552,699.45 × 306,776.70 - Step 4: Simplify right side
368,984.70x = 169,555,313,362.82 - Step 5: Solve for x
x = 169,555,313,362.82/368,984.70 - Step 6: Final answer
x = 459,518.55
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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.