Finding the Fourth Proportional to 219,014.63, 328,557.48 and 85,822.68
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Solution
The fourth proportional to 219,014.63, 328,557.48 and 85,822.68 is: 128,747.95
Step by Step Solution
- Step 1: Write the proportion equation
219,014.63 : 328,557.48 = 85,822.68 : x - Step 2: Convert to fraction form
219,014.63/328,557.48 = 85,822.68/x - Step 3: Cross multiply
219,014.63x = 328,557.48 × 85,822.68 - Step 4: Simplify right side
219,014.63x = 28,197,683,467.65 - Step 5: Solve for x
x = 28,197,683,467.65/219,014.63 - Step 6: Final answer
x = 128,747.95
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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.