Finding the Fourth Proportional to 219,354.21, 328,531.95 and 171,671.94
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Solution
The fourth proportional to 219,354.21, 328,531.95 and 171,671.94 is: 257,117.09
Step by Step Solution
- Step 1: Write the proportion equation
219,354.21 : 328,531.95 = 171,671.94 : x - Step 2: Convert to fraction form
219,354.21/328,531.95 = 171,671.94/x - Step 3: Cross multiply
219,354.21x = 328,531.95 × 171,671.94 - Step 4: Simplify right side
219,354.21x = 56,399,717,208.48 - Step 5: Solve for x
x = 56,399,717,208.48/219,354.21 - Step 6: Final answer
x = 257,117.09
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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.