Finding the Fourth Proportional to 219,724.13, 329,048.75 and 198,424.95
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Solution
The fourth proportional to 219,724.13, 329,048.75 and 198,424.95 is: 297,152.08
Step by Step Solution
- Step 1: Write the proportion equation
219,724.13 : 329,048.75 = 198,424.95 : x - Step 2: Convert to fraction form
219,724.13/329,048.75 = 198,424.95/x - Step 3: Cross multiply
219,724.13x = 329,048.75 × 198,424.95 - Step 4: Simplify right side
219,724.13x = 65,291,480,774.19 - Step 5: Solve for x
x = 65,291,480,774.19/219,724.13 - Step 6: Final answer
x = 297,152.08
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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.