Finding the Fourth Proportional to 215,455.81, 297,051.12 and 176,548.99
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Solution
The fourth proportional to 215,455.81, 297,051.12 and 176,548.99 is: 243,409.89
Step by Step Solution
- Step 1: Write the proportion equation
215,455.81 : 297,051.12 = 176,548.99 : x - Step 2: Convert to fraction form
215,455.81/297,051.12 = 176,548.99/x - Step 3: Cross multiply
215,455.81x = 297,051.12 × 176,548.99 - Step 4: Simplify right side
215,455.81x = 52,444,075,214.37 - Step 5: Solve for x
x = 52,444,075,214.37/215,455.81 - Step 6: Final answer
x = 243,409.89
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1.5x scale
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.