Finding the Fourth Proportional to 368,988.43, 553,657.61 and 219,523.99
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Solution
The fourth proportional to 368,988.43, 553,657.61 and 219,523.99 is: 329,390.07
Step by Step Solution
- Step 1: Write the proportion equation
368,988.43 : 553,657.61 = 219,523.99 : x - Step 2: Convert to fraction form
368,988.43/553,657.61 = 219,523.99/x - Step 3: Cross multiply
368,988.43x = 553,657.61 × 219,523.99 - Step 4: Simplify right side
368,988.43x = 121,541,126,543.44 - Step 5: Solve for x
x = 121,541,126,543.44/368,988.43 - Step 6: Final answer
x = 329,390.07
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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.