Finding the Fourth Proportional to 134,859.16, 202,298.68 and 38,792.49
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Solution
The fourth proportional to 134,859.16, 202,298.68 and 38,792.49 is: 58,191.59
Step by Step Solution
- Step 1: Write the proportion equation
134,859.16 : 202,298.68 = 38,792.49 : x - Step 2: Convert to fraction form
134,859.16/202,298.68 = 38,792.49/x - Step 3: Cross multiply
134,859.16x = 202,298.68 × 38,792.49 - Step 4: Simplify right side
134,859.16x = 7,847,668,810.78 - Step 5: Solve for x
x = 7,847,668,810.78/134,859.16 - Step 6: Final answer
x = 58,191.59
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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.