Finding the Fourth Proportional to 108,264.79, 162,389.89 and 38,134.99
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Solution
The fourth proportional to 108,264.79, 162,389.89 and 38,134.99 is: 57,199.92
Step by Step Solution
- Step 1: Write the proportion equation
108,264.79 : 162,389.89 = 38,134.99 : x - Step 2: Convert to fraction form
108,264.79/162,389.89 = 38,134.99/x - Step 3: Cross multiply
108,264.79x = 162,389.89 × 38,134.99 - Step 4: Simplify right side
108,264.79x = 6,192,736,831.25 - Step 5: Solve for x
x = 6,192,736,831.25/108,264.79 - Step 6: Final answer
x = 57,199.92
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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.