Finding the Fourth Proportional to 219,079.02, 328,666.05 and 67,276.62
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Solution
The fourth proportional to 219,079.02, 328,666.05 and 67,276.62 is: 100,929.52
Step by Step Solution
- Step 1: Write the proportion equation
219,079.02 : 328,666.05 = 67,276.62 : x - Step 2: Convert to fraction form
219,079.02/328,666.05 = 67,276.62/x - Step 3: Cross multiply
219,079.02x = 328,666.05 × 67,276.62 - Step 4: Simplify right side
219,079.02x = 22,111,540,952.75 - Step 5: Solve for x
x = 22,111,540,952.75/219,079.02 - Step 6: Final answer
x = 100,929.52
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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.