Finding the Fourth Proportional to 408,943.95, 564,814.99 and 272,741.23
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Solution
The fourth proportional to 408,943.95, 564,814.99 and 272,741.23 is: 376,697.92
Step by Step Solution
- Step 1: Write the proportion equation
408,943.95 : 564,814.99 = 272,741.23 : x - Step 2: Convert to fraction form
408,943.95/564,814.99 = 272,741.23/x - Step 3: Cross multiply
408,943.95x = 564,814.99 × 272,741.23 - Step 4: Simplify right side
408,943.95x = 154,048,335,095.04 - Step 5: Solve for x
x = 154,048,335,095.04/408,943.95 - Step 6: Final answer
x = 376,697.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.