Finding the Fourth Proportional to 145,666.63, 218,499.95 and 52,237.99
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Solution
The fourth proportional to 145,666.63, 218,499.95 and 52,237.99 is: 78,356.99
Step by Step Solution
- Step 1: Write the proportion equation
145,666.63 : 218,499.95 = 52,237.99 : x - Step 2: Convert to fraction form
145,666.63/218,499.95 = 52,237.99/x - Step 3: Cross multiply
145,666.63x = 218,499.95 × 52,237.99 - Step 4: Simplify right side
145,666.63x = 11,413,998,203.10 - Step 5: Solve for x
x = 11,413,998,203.10/145,666.63 - Step 6: Final answer
x = 78,356.99
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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.