Finding the Fourth Proportional to 179,564.29, 268,681.12 and 143,917.49
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Solution
The fourth proportional to 179,564.29, 268,681.12 and 143,917.49 is: 215,342.99
Step by Step Solution
- Step 1: Write the proportion equation
179,564.29 : 268,681.12 = 143,917.49 : x - Step 2: Convert to fraction form
179,564.29/268,681.12 = 143,917.49/x - Step 3: Cross multiply
179,564.29x = 268,681.12 × 143,917.49 - Step 4: Simplify right side
179,564.29x = 38,667,911,681.20 - Step 5: Solve for x
x = 38,667,911,681.20/179,564.29 - Step 6: Final answer
x = 215,342.99
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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.