Finding the Fourth Proportional to 219,091.97, 328,605.06 and 69,312.80
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Solution
The fourth proportional to 219,091.97, 328,605.06 and 69,312.80 is: 103,958.79
Step by Step Solution
- Step 1: Write the proportion equation
219,091.97 : 328,605.06 = 69,312.80 : x - Step 2: Convert to fraction form
219,091.97/328,605.06 = 69,312.80/x - Step 3: Cross multiply
219,091.97x = 328,605.06 × 69,312.80 - Step 4: Simplify right side
219,091.97x = 22,776,535,159.74 - Step 5: Solve for x
x = 22,776,535,159.74/219,091.97 - Step 6: Final answer
x = 103,958.79
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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.