Finding the Fourth Proportional to 219,290.10, 328,946.79 and 69,542.19
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Solution
The fourth proportional to 219,290.10, 328,946.79 and 69,542.19 is: 104,316.98
Step by Step Solution
- Step 1: Write the proportion equation
219,290.10 : 328,946.79 = 69,542.19 : x - Step 2: Convert to fraction form
219,290.10/328,946.79 = 69,542.19/x - Step 3: Cross multiply
219,290.10x = 328,946.79 × 69,542.19 - Step 4: Simplify right side
219,290.10x = 22,875,680,170.07 - Step 5: Solve for x
x = 22,875,680,170.07/219,290.10 - Step 6: Final answer
x = 104,316.98
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1.5x scale
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.