Finding the Fourth Proportional to 158,881.99, 219,258.66 and 87,263.50
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Solution
The fourth proportional to 158,881.99, 219,258.66 and 87,263.50 is: 120,424.46
Step by Step Solution
- Step 1: Write the proportion equation
158,881.99 : 219,258.66 = 87,263.50 : x - Step 2: Convert to fraction form
158,881.99/219,258.66 = 87,263.50/x - Step 3: Cross multiply
158,881.99x = 219,258.66 × 87,263.50 - Step 4: Simplify right side
158,881.99x = 19,133,278,076.91 - Step 5: Solve for x
x = 19,133,278,076.91/158,881.99 - Step 6: Final answer
x = 120,424.46
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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.