Finding the Fourth Proportional to 160,416.13, 221,371.58 and 88,794.61
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Solution
The fourth proportional to 160,416.13, 221,371.58 and 88,794.61 is: 122,535.08
Step by Step Solution
- Step 1: Write the proportion equation
160,416.13 : 221,371.58 = 88,794.61 : x - Step 2: Convert to fraction form
160,416.13/221,371.58 = 88,794.61/x - Step 3: Cross multiply
160,416.13x = 221,371.58 × 88,794.61 - Step 4: Simplify right side
160,416.13x = 19,656,602,667.21 - Step 5: Solve for x
x = 19,656,602,667.21/160,416.13 - Step 6: Final answer
x = 122,535.08
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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.