Finding the Fourth Proportional to 219,788.17, 329,731.98 and 70,036.99
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Solution
The fourth proportional to 219,788.17, 329,731.98 and 70,036.99 is: 105,071.33
Step by Step Solution
- Step 1: Write the proportion equation
219,788.17 : 329,731.98 = 70,036.99 : x - Step 2: Convert to fraction form
219,788.17/329,731.98 = 70,036.99/x - Step 3: Cross multiply
219,788.17x = 329,731.98 × 70,036.99 - Step 4: Simplify right side
219,788.17x = 23,093,435,385.94 - Step 5: Solve for x
x = 23,093,435,385.94/219,788.17 - Step 6: Final answer
x = 105,071.33
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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.