Finding the Fourth Proportional to 160,434.99, 221,423.45 and 92,438.93
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Solution
The fourth proportional to 160,434.99, 221,423.45 and 92,438.93 is: 127,579.07
Step by Step Solution
- Step 1: Write the proportion equation
160,434.99 : 221,423.45 = 92,438.93 : x - Step 2: Convert to fraction form
160,434.99/221,423.45 = 92,438.93/x - Step 3: Cross multiply
160,434.99x = 221,423.45 × 92,438.93 - Step 4: Simplify right side
160,434.99x = 20,468,146,794.91 - Step 5: Solve for x
x = 20,468,146,794.91/160,434.99 - Step 6: Final answer
x = 127,579.07
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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.