Finding the Fourth Proportional to 219,143.34, 328,726.62 and 69,399.54
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Solution
The fourth proportional to 219,143.34, 328,726.62 and 69,399.54 is: 104,102.99
Step by Step Solution
- Step 1: Write the proportion equation
219,143.34 : 328,726.62 = 69,399.54 : x - Step 2: Convert to fraction form
219,143.34/328,726.62 = 69,399.54/x - Step 3: Cross multiply
219,143.34x = 328,726.62 × 69,399.54 - Step 4: Simplify right side
219,143.34x = 22,813,476,213.75 - Step 5: Solve for x
x = 22,813,476,213.75/219,143.34 - Step 6: Final answer
x = 104,102.99
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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.