Finding the Fourth Proportional to 219,389.60, 329,119.18 and 84,448.96
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Solution
The fourth proportional to 219,389.60, 329,119.18 and 84,448.96 is: 126,686.83
Step by Step Solution
- Step 1: Write the proportion equation
219,389.60 : 329,119.18 = 84,448.96 : x - Step 2: Convert to fraction form
219,389.60/329,119.18 = 84,448.96/x - Step 3: Cross multiply
219,389.60x = 329,119.18 × 84,448.96 - Step 4: Simplify right side
219,389.60x = 27,793,772,467.05 - Step 5: Solve for x
x = 27,793,772,467.05/219,389.60 - Step 6: Final answer
x = 126,686.83
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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.