Finding the Fourth Proportional to 374,927.04, 516,929.99 and 312,926.54
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Solution
The fourth proportional to 374,927.04, 516,929.99 and 312,926.54 is: 431,446.90
Step by Step Solution
- Step 1: Write the proportion equation
374,927.04 : 516,929.99 = 312,926.54 : x - Step 2: Convert to fraction form
374,927.04/516,929.99 = 312,926.54/x - Step 3: Cross multiply
374,927.04x = 516,929.99 × 312,926.54 - Step 4: Simplify right side
374,927.04x = 161,761,109,043.65 - Step 5: Solve for x
x = 161,761,109,043.65/374,927.04 - Step 6: Final answer
x = 431,446.90
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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.